Late at night. Pen × fun × Pavilion www. ｂｉｑｕｇｅ。 There are only two people in the corridor on the second floor of the info inn, a man and a woman. At this time, Ximen Qing was explaining the voyeurism incident to Mu Lanzhi just now, but he saw a place where he shouldn't have looked.

"Tick!"

This time it was really Ximenqing who had a nosebleed! He hurriedly covered his nose, not daring to look at Mu Lanzhi again.

"Smack"

Mu Lanzhi didn't listen to Ximenqing's explanation just now, and when she saw that he actually had a nosebleed, she slapped him in a fit of anger.

"Indecent!"

She turned around and went back to the room, closing the door with a "bang", leaving only these two words echoing in Ximenqing's ears.

Ximenqing touched his beaten cheek, 'hiss', it hurt hotly! Ximenqing silently counted in his heart: the second time.

A few days ago, when Ximen Qing rescued Mu Lanzhi who fell off the cliff, he slapped her, and today this is the second time he has slapped her~

But even Ximenqing himself couldn't figure out that he was slapped twice, and he didn't get angry? If this had been put in the past, regardless of his men and women, he would have to repay it twice.

What's wrong with you lately? Ximenqing gently rubbed his side face as he walked towards the staircase. In the end, I had to comfort myself: I must have done too many good deeds recently, and the 'Tree of the Heart' purified the anger in my heart, so my temper is so good now!

Ximen Qing forgot how he was angry and beat those two thieves just now~

Speaking of those two thieves, Ximen Qingqi will not fight in one place, and must repair them well. But when Ximenqing came to the staircase and looked down, where were the figures of the two of them? Ximenqing jumped directly to the first floor, but there was still no trace.

When they saw the third brother and the fourth brother rolling down the stairs, and Ximenqing did not come down immediately, the two hurriedly picked up the third brother and the fourth brother and ran away.

At this time, it is estimated that they have escaped from the town, of course, no matter how Ximenqing looks, he can't find them!

Sighing, Ximenqing went back to the second floor, and when he passed by Mu Lanzhi's room, he couldn't help but think in his heart: It's really unlucky! I didn't expect that I would be so kind to catch the thief, but it would be considered obscene. How unreasonable!

The interest in going outside to practice his fists and feet was gone, and Ximenqing returned to his room dejectedly. He lay in bed, but he couldn't sleep, he just felt like he couldn't sleep.

For the first time, Ximenqing felt that the night was so long. So he counted the sheep in his heart, and when he counted to twelve thousand five hundred and sixty-six, he found that the eastern sky was white, and a new day began again~

In desperation, Ximenqing turned over and sat cross-legged, inhaled and exhaled, calmed down, and cultivated internal strength. After running for a few weeks, Ximenqing felt that the fatigue of not sleeping all night was swept away, so he got up, washed up, and went downstairs to eat.

At this time, the weather was still early, and Ximenqing did not see any other guests come down after breakfast. Ximenqing was bored, so he wandered around Huangqiao Town.

In the early morning, breathing in the cool air of the town, Ximenqing's depression all night was swept away. He couldn't help but think that in the next generation, where would he be able to breathe such refreshing and pleasant 'clean' air? It was all smog, and the PM2.5 level was off the charts......

There is also a reason why Ximenqing says that the morning air is 'cool' rather than 'fresh':

For human health, the quality of air depends on the amount of oxygen and other harmful gases in the air. If the oxygen content is high and the harmful gas content is low, the air is good, and vice versa.

The source of oxygen is mainly released by green plants using carbon dioxide and water for photosynthesis under light conditions. During the day, when the light is good, photosynthesis plays a major role, and the plants produce more oxygen, and at night, the photosynthesis of the plants stops, while respiration continues until morning.

So in the morning, the carbon dioxide content in the garden and the woods is higher, and the oxygen content is lower. The air is not the best at this time. Obviously, when the day is about to dawn, it is also the time when there is the most carbon dioxide and the least oxygen in the air.

So why do many people feel that the morning air is fresh? In the morning, when we come out of a relatively warm house and breathe in the cold air with a relatively low temperature, we mistake it for fresh air. It's safe to say that it feels 'cool', not 'fresh'.

Ximenqing learned in his later student days that the air in the morning is not fresh, especially when the sky is not yet bright, and the air is the most turbid time of the day. Later scientists have concluded that the air is the freshest from about 10 a.m. to 3 or 4 p.m. during the day, and the air pollution is more serious in the morning, evening and evening, with the peak pollution at 7 p.m. and 7 a.m. being the air at that time. Therefore, the morning workout should be after sunrise, preferably between 10 a.m. and 3 or 4 p.m., when the air is at its freshest.

However, in the Song Dynasty, there was not so much to say. There are no carbon dioxide emissions from cars or planes, and no pollutants such as sulphur dioxide and benzopyrene (a common highly active indirect carcinogen and mutagen). So here at all times, the air is pure and pollution-free.

Ximenqing circled the town for half a circle, and the newborn sun in the east had already shown half of its smiling face. It was only then that the shops on both sides of the street opened their doors.

Ximenqing inadvertently looked at the hill north of the town and found wisps of light smoke wafting up. Because of the 'Tree of the Heart', Ximenqing's eyesight is now much stronger than ordinary people.

"Is this someone setting fire to the mountain?" Ximenqing wondered in his heart, "No, this smoke is white, and there are at least seven places on the mountain with light smoke, obviously there is a large group of people burying pots and cooking there!"

So Ximenqing took the doubts in his heart, stepped up his pace, performed light skills, and swept towards the North Mountain.

When Ximenqing came to the foot of the mountain, he did not rush into the mountain, he hid in a big tree and looked carefully ahead.

Because not far ahead, there were five soldiers in armor. When Ximen Qing saw them for the first time, he was startled, just because what they were wearing was not the armor of the Great Song Dynasty soldiers and township soldiers, let alone the armor of the forbidden army, but the weapons and armor cast by the Western Xia!

These people were actually Western Xia soldiers! How did they enter the hinterland of the Great Song Dynasty? They didn't go thousands of miles down to the south of the Yangtze River!

Ximen Qing knew that this matter was very important, and the situation was very serious. He had to dive into the mountains to find out how many people they had come to Xixia and what was going on in Jiangnan!

Ximenqing didn't know why he cared about national affairs. But when he thought of Zhao Xu and Sima Bai, and remembered the scenes of drinking wine and talking about interesting stories about the rivers and lakes with them in the pavilion of the imperial garden of the palace, he was relieved. I always have to send them a message so that they can be prepared~