The soldiers of the Hexi Jiedu envoy are moving forward, and Huangshui County is the location of the headquarters of the Longyou Jiedu envoy, not the front line.

The road from Huangshui County to the front is very difficult to walk, and the ravines are continuous.

It was only after crossing a group of mountains, a bunch of ditches, and a river that we could reach the front.

On both sides of the Yellow River in front were the garrison of the Yongbyon Army and the garrison of the Jishi Army, the former was north of the Yellow River, and the latter was naturally south.

At the time of Li Yi, it was opened to traffic, G 2 and 3 3 and G 06 and G 06 highway, as well as S 306 provincial highway.

Further south, there is the S 202 Provincial Highway, and the place chosen by the army of Longyou in the Tang Dynasty is the same as other places.

There is a garrison in front of the dangerous place, and mountains and rivers in the back.

The soldiers in Hexi had to pass through some elites, and once the fight started, the soldiers behind began to pass one after another, fighting from small-scale raids to large-scale breakout battles, and finally occupying them.

The army in front also floated hot air balloons, responsible for reconnoitring the situation of the Tibetan army.

The scout cavalry on both sides had to come into contact almost every day, all the time.

The difference is that the Tubo scouts have retreated from the initial dare to the position of the Tang army for a few miles, and now they have retreated thirty miles.

The Datang border army has a hot air balloon, and the rope flies very high, and the scouts on both sides are circling in front, and the hot air balloon can be seen clearly.

Tang Bing scouts will bring a telescope and look back at the flags in the sky.

Then several scout troops went around in circles to ambush the scouts of Tubo, and if the scouts were too many, the Tang scouts would run back.

The Tibetan scouts were miserable, they couldn't fight, and they could find their own side far away from the sky, and their side was surrounded without knowing what was going on.

Usually when the Tang Army scouts are discovered, their own team enters the circle.

The Tang scouts with binoculars, spotted the enemy in advance, moved outside the enemy's field of vision, reached a predetermined position, and closed it.

The Tibetan scouts suffered one after another, and finally ran backwards, out of the reconnaissance range of the hot air balloon.

The advantage is that you don't suffer a loss, but the disadvantage is that the hot air balloon has a field of view, which has formed a battlefield blockade for Tibet.

The mobilization of troops in the Tang Dynasty was not visible to Tibet.

Guo Zhiyun rode a horse on the mountain road, and from time to time there were heralds translating the flag to him.

Where did the troops in front of his team go, somewhere the baggage cart broke down, and a horse accidentally fell into the valley.

Listening to the voice of the herald, Guo Zhiyun's heart was unwavering, even if the soldier fell, he was still indifferent.

Marching and fighting, non-combat attrition is the norm.

Wang Junkui looked at the small dots in the sky: "The reserves of gasoline and diesel are enough for the time being, but there is no in Shudi, so I am afraid that it will be too late to transport them from Chang'an." ”

"In time, enough for us to use. I believe that Li Yi has made arrangements, and I heard that diesel is used for lighting at night in Chang'an City. ”

Guo Zhiyun didn't think about the issue of oil, he thought Li Yi knew better than anyone else the role of the hot air balloon ahead.

Wang Junkui nodded with a smile: "It is said that the output of diesel is high and kerosene is easy to use, so Li Yi used it to sell it for money." ”

"It is rumored that gasoline, diesel, and kerosene are boiled out of petroleum oil, with kerosene being the least and diesel being the most. Didn't the Tibetans and Turks find some stone fat boiled there? ”

Guo Zhiyun wanted to laugh when he talked about it, and Datang collected stone grease from all over the country and sent it to Li's Zhuangzi.

The Li family Zhuangzi came out with something, the linoleum paper was, and the news spread, and the Tibetans looked for it and found it to boil in a pot.

After boiling, it is said that it is better to defend the city and make torches, and the pot can be used to cook rice.

I didn't boil out any of the oil I was looking forward to, but it smoked a lot of people.

Wang Junkui pulled the reins with one hand, reached into his pocket with the other, took out a handful of fried hazelnuts, and handed them over: "In addition to the martial arts of the soldiers, the battle is to fight for money and technology." ”

Guo Zhiyun stretched out his hand and took more than a dozen hazelnuts: "Do you still have pine nuts?" Everyone else eats, but you are reluctant to eat it, and you are only willing to carry it on your body. ”

"When you see a small sergeant, give it a handful, people are fighting hard, unlike us who are just commanding."

Wang Junkui said as he handed the remaining hazelnuts in his hand down to the soldiers who followed him.

"Deputy Envoy Xie." The soldier happily took it.

They can't eat it, they have canned food, meat floss, salted dried tofu, compressed biscuits, no dried fruit.

There were few dried fruits sent from Chang'an, and one point was given to the generals, and they were gone.

They are reluctant to eat canned food or something, so they use it to fight wars, and they can eat when they usually have food.

"I heard that a large number of pine nuts were exchanged by the Li family Zhuangzi team in Bohai, but Li Yi didn't sell them and sent them to us."

Guo Zhiyun said and threw a hazelnut in his mouth, and opened it with a light bite.

"It was sent by His Majesty, and everything was given by His Majesty." Wang Junkui reminded, don't be wrong.

Nominally, it did, His Majesty gave it.

"Your Majesty!" Guo Zhiyun followed and said again.

……

Further northwest than the Longyou Army, an army was resting, and a hot air balloon was flying in the sky.

Zhang Xiaosong drank saliva first, then took out the meat floss and stuffed it in his mouth, chewed it slowly, and tasted the taste.

Other soldiers also took out meat floss to eat to replenish their strength.

They found the baggage of the Tibetan army, and when they had rested, they went to fight.

Seen from the hot air balloon, the Tibetan baggage procession is a small dot in the case of a moving telescope.

The smaller group of people couldn't see anything when they looked at the hot air balloons.

The hot air balloon has no sound, and the color is sky blue.

Unless it is cloudy, a sky-blue hot air balloon will become a small light dot.

But when the clouds are thick, the hot air balloon will not rise into the sky, otherwise it will be guaranteed to be hit by lightning.

The baggage troops had carts, as well as men, slaves, to be precise.

There were local slaves in Tibet, and there were slaves of the Tang people who were plundered, and when Songzhou was exchanged for prisoners, some people did not give it.

In addition, there were 1,000 Tibetan cavalry guarding them, and they constantly scolded and whipped the slaves.

The people of the Tang Dynasty worked hard, but even so, the Tubo cavalry did not like it, so they still had to fight.

After being beaten, the Datang people did not squeak and continued to work with their heads down.

They are mainly responsible for repairing vehicles and lifting them when they get stuck in soft soil and sand.

It's just that when they are working, they occasionally glance at the same Datang people, and the two sides have a brief exchange of eyes.

Now that they have left the territory of Tibet, they are ready to escape.

As long as the front is hit, they will run when they find an opportunity, and it is lucky to run away, and they will accept their fate if they can't run away.

Half an hour passed, and the team continued on its way.

The general who led the team found that the situation was not right, and it seemed that it was ...... Two groups of scouts didn't return.

After waiting for another quarter of an hour, he was sure that something was wrong, because the scout team that did not come back was four, front and back, left and right.

"Prepare for battle." The generals chose the safest method, assembled the team, and protected the baggage.

"Quick, report to the front, and say that we have been ambushed." The general shouted a team and pointed to the front.

"Come with me." The team beckoned, and one hundred and fifty horsemen rushed out.

They know that it is useless to stay behind when the enemy attacks, and to tell the front is not just for the front to help.

Perhaps it was too late when the rescue arrived, and they had to tell the main force in front that the baggage was gone.