The three of them followed the road and observed the buildings on both sides.

They found that the buildings were all made of gigantic, too large green stone to come from the earth, and that the houses and minarets were surrounded by dizzyingly tall megaliths, magnificent stone statues, and ornate reliefs.

"You see, there seems to be a mural on the surface of the stele." Jack spotted a clue.

Liu Zheng walked over and used a boy to cut and scrape the moss on the surface of the stele, and the mural was completely presented in front of the three of them.

"It's—" he muttered.

The sculptors of these frescoes are highly skilled, and the creatures on them are lifelike replicas.

They have the appearance of a fish-headed human body, with a grayish-green color of stone and a white belly painted with an unknown pigment.

Their limbs are webbed between their fingers, their bodies are covered with scales, their eyes are protruding like fish's eyes, and their necks have gills.

"It's exactly the same as the statue in the mausoleum." Jack remembered the strange singing voice and glanced at his hand with some trepidation.

Of course, all he could see was a pile of bones, and he didn't know if his skeletal state would be immune to that curse.

Having settled down, they put aside their fear of the curse for a moment and began to study the contents of the mural.

The top half of the mural shows a group of these mermaid creatures hunting a whale with a harpoon in their hands, and judging by its size and teeth, it should be a killer whale.

The second half is about the killer whale being killed by a mermaid and then eating it.

The artistic attainment of the mural is very high, whether it is the scene of the unity and cooperation of the mermaids, or the courage and flexibility of the killer whales, they are vividly displayed, full of primitive vitality.

"It's hard to imagine such a masterpiece coming from the hands of these monsters." Jack lamented that, as a privateer, he actually had a thing to do with art.

In his opinion, this fresco can be compared to the works of the Renaissance.

"Let's take a look at the next one." Liu Zheng was not so emotional, and walked to the next stone tablet.

The next stele is also divided into two parts, the upper part of which is a group of killer whales rushing towards the shivering fishmen, and the corpses and stumps of the fishmen are scattered everywhere.

"Is this a killer whale coming back for revenge?" Liu Zheng touched his chin.

Killer whales, also known as orcas, are not whales despite their names.

Although there is growing evidence that the taxonomic unit is actually a single species, a complex of multiple forms with morphological, genetic, ecological and behavioural differences, it is conventionally assigned to the dolphin family.

Killer whales are highly social and have a complex social structure, preferring to live in groups, with small groups of 2-3 individuals and large groups of 40-50 individuals, and there are even reports of hundreds of individuals in a group.

They have a lot of complex social behaviors, they will communicate with different voices, and they will also teach the next generation the skills of hunting.

As carnivores, they have a fierce temperament and are good at attacking their prey in coordination and cooperation, even some cetaceans and great white sharks are no match for them, and can be called the sea lords.

Although the fish-people look a little scary, they are no different from the deer meeting the lions in the face of the revenge of the killer whale group.

After looking at the second stele, they walked to the third.

The top half of the third block shows a living fish-man with his hands held aloft as if in prayer, a spiral-shaped cluster of light appears, and many killer whales grow moss and shellfish, and die and sink.

The bottom half is a human-like man, holding a trident, fending off the light, and the surviving killer whales flee outside the mural.

Could it be that this is why killer whales are so close to humans? Liu Zheng was thoughtful.

In the real world, the killer whale of the sea kills fish without blinking, but it is mysteriously friendly to humans.

Killer whales in the wild have no record of attacking and killing, and they are particularly fond of interacting with humans, and sometimes rescuing humans who have fallen into the water, which has always puzzled scholars.

But in the world of great navigation, the reason seems to be found in these frescoes.

In ancient times, there was a great war between killer whales and fish-people, and the fish-people summoned an unknown being, almost destroying the killer whales, but a human saved them.

"That trident should be the trident of Poseidon the sea god, could it be that this human being is Poseidon the sea god?" Jack asked.

"Probably not, if it's really Poseidon, the god of the sea, where can these fish people still be alive to carve murals." Liu Zheng shook his head.

Poseidon was a hot-tempered man, dissatisfied with Zeus above him, and often set off monstrous waves to cause storms and tsunamis, sink continents, shatter the heavens and earth, and shatter everything, and even cause powerful earthquakes that shook the whole world.

Because of his power, even the Immortal King was afraid that he would tear the universe apart and expose the underworld.

Once, because of the matter of King Corinth, he had a fierce quarrel with the sun god Apollo, and finally beat Apollo to the head and ended in victory.

Such an irascible brother obviously won't leave fish people to live in the world, and he also built a city in the deep sea.

"Let's look down." Wolfheart's lead the way to the stone monument behind it.

The content of the stele mural in the back has changed, and it talks about the relationship between fish and humans.

The fish-men in the mural give gifts such as live fish or gold to human females, and then mate with human females.

When the women returned to shore, they gave birth to the offspring of the Fish-Man, and when they grew up, they returned to the sea.

But later, fewer and fewer women appeared on the beach, and the fish-man took the gift but no one gave it.

At this time, a large group of fish-people gathered, among them there were complete fish-people, and there were also some fish-man descendants who had not yet fully metamorphosis.

A huge fish-man stood up, holding a book-like object and shouting something to the crowd of fish.

The crowd of fish seems to obey the leadership of the big fishman, and under his leadership, huge waves and strong winds are set off in the sea, driving the fish in the sea from being fished by humans.

Humans had no choice but to send people to negotiate with the fishmen.

The big fish-people had the fishmen carry out a large amount of fish, gold, and pearls, and trade them with humans.

Humans send a certain number of women every year to mate with these fish-people, and the babies they give birth to return to the depths of the sea, year after year.

"It's disgusting." Jack looked disgusted.

Liu Zheng and Wolf Heart's expressions were not much better, the mating of fish people and women was spicy enough, and the transaction between fish people and those humans was even more disgusting.

But they are not completely incomprehensible to the actions of the human leader, for the humans living by the sea, the fish-people are an existence that cannot be resisted, and can only compromise.

It's just that the women who are used as trade goods are pitied, and the hated ones are the fish-men who persecute humans to mate with them.

"If I ever run into these fish-men, I'll put them in the cannon and shoot them out with the maximum amount of gunpowder." Jack said angrily.

"You can prepare your artillery now." Liu Zheng suddenly looked above the city and said.

Jack looked up for some reason, and then he was shocked.

"Oh my God, why so many?!" He muttered.

Countless fishmen lay on the invisible barrier, saluting the trio.

If you ignore the malice and ugliness in their eyes, it has the feeling of a superstar concert.

The trio immediately drew their weapons, as if the cold metal could give them some comfort.

"Do you have any last words for me to take back? If only I could float up. Jack asked, sighing.

After a casual visual inspection, there are at least a thousand of these fish people, no matter how strong Liu Zheng and the wolf's heart is, there is no possibility of winning.

However, he still has an immortal body tonight, and if he is lucky enough to float up, there is still a glimmer of life.

"Then tell Raphael that when he becomes the commander of the Portuguese fleet, he will stuff all these fishmen into the barrels." Liu Zheng smiled.

Jack laughed, although he was half-forced to get on the ship, and the atmosphere on the ship was too serious for him, several of the main members were brave and good men who had an appetite for him.

He patted Liu Zheng on the shoulder, thinking about how to use his immortal body to help the two of them block the knife later.

"They don't dare come down." A word from the heart of the wolf ruined the atmosphere.

"Huh?" The two looked up together.

Indeed, although the fishmen were full of impatience in their eyes, none of them dared to enter the barrier.

"Is this a forbidden place for them? So how did they build the city? Jack wondered.

"Maybe they won't be able to get in when they're built." Liu Zheng can understand.

Just like the tombs of emperors, the craftsmen who built the internal structures were often buried, and only a few were able to escape through the hidden passages left behind.

And this city, apparently, does not have such a secret passage.

"Here comes their heads." Wolf Heart said lightly.

The crowd of fish, which was originally densely crowded, suddenly separated in an orderly manner, revealing a passage.