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Thismorning we came here with the deputy station head Longzhou Caijia. We’restanding by a lake. What’s its name? Xinsheng Lake. It began to take shape in2011. Before that, there was no lake here. Previously it was a wide swath ofgobi. How do you monitor it? We monitor it every day. We’ll measure the waterlevel with a gauge. If the water keeps rising, it may endanger theQinghai-Tibet Railway. We fear rising water may wash away the railway. Afterall, the lake is only

13km away from the railway. Between the two, there is only aridge. After the ridge is a riverbed.

Ithas formed a lake, right?Yes.

XinshengLake lies to the north of Sonam Dargye Protection Station. Its predecessor wasZhuonai Lake after the dam collapsed. With rising water level, the lake keepsgrowing. The lake is only 13kmaway from Qinghai-Tibet railway. If the railway is submerged in water, thatwould be disastrous. Over the slope is the Qinghai-Tibet railway. In recentyears, due to higher temperatures, more ice melted in the upstream. Theearliest water gauge was already submerged in water.So workers need to gaugethe water level more frequently.

Afterthat, Sun went back to the station. Today, by taking part in the work, Sun gotto know more about the station. He wanted to take everything down as materialfor his writing.

Thenext day, Sun set off early in the morning. Today they would go from SonamDargye Station to Wudaoliang Natural Conservation Station over 60km away. At Wudaoliang, they would recordTibetan antelope migrating. Sun wanted very much to see that.

Hello.Hi. This is Mr. Wenga, head of Wudaoliang Station. Just now, were you watchingTibetanantelopes with the telescope?We begin to observe Tibetan antelopes from 7 a.m. every day since May 1.We must ensurethey can pass through the Wubei Bridge safely. Wudaoliang Station is over 30km away from Wudaoliang Town. If located inthe town, the station would have much better working conditions. Why is itlocated here?

Toprotect Tibetan antelopes who pass through the bridge.Workers will be observingantelope migration to ensure they can safely pass the Qinghai-Tibet highway. Inspite of hard working conditions, they’ve no regret or complaint. 

Afterseeing them go across the road safely, they’ve got to record the number ofantelopes and keep the data for scientific research. Sun also met Pro. SuJianping from Northwest Institute of Plateau Biology. Sun will go with him tocollect dung samples left by Tibetan antelopes.

You’vegot a collection box. For collecting fresh dung of Tibetan antelopes. Freshdung? Why? Stale dung won’t have much info. Fresh dung still has DNA andhormone data. DNA or hormone would be decomposed when exposed to dust for toolong. So we only collect fresh dung to get the info we need.

Theydid not go far when they saw a pile of fresh dung. It’s glossy and notwrinkled. Now we’ll collect it. First, we need to put on one-off plastic glovesto prevent contamination. To prevent contaminating the samples.

Ourhands have germs.Then put it in a one-off valve bag. Different from other oldspecies on the plateau, Tibetan antelopes have the habit of migrating. Why isthat? It remains a natural code yet to be decoded. Over 10 years ago, Pro. Subegan to study why they migrate. Every year, he’ll come here to collectantelope dung. He’s been doing this for over 10 years.

Staledung is not glossy. But fresh dung is black and shiny. And it’s not hard. Havea try. Hold one between your fingers. How is it? I pinched it slightly and itbroke in two. Fresh indeed. But stale dung is as hard as stones. Very hard. Itremains intact no matter how hard you pinch it. Let me try with a stone. Dungeasy to break between your fingers must be fresh. The fresher, the better. Theywent back with some fresh dung.

As soonas they were back, they were told a flock of Tibetan antelopes were crossing aroad. Did you see Tibetan antelopes?-- Right. They’ve over there. In a moment,we’ll block the road to ensure antelopes can pass it safely. The flock ofantelopes was still some distance away from the road. But our workers wereready.

In awhile, they’ll stop vehicles and let antelopes go across the road. The trafficwon’t move on

untilall antelopes have passed. Antelopes were coming closer. Our workers stoppedtheir vehicles.

Moreand more vehicles were stopped. But the flock of antelopes was still movingslowly. I’m not sure when they’ll come. They’re walking slowly toward thisdirection while grazing.

Around20 Tibetan antelopes will pass the road. The station workers have blocked theroad in both directions to form a safe area for antelopes. It’s about 1km long. In this way, antelopes can passsafely. The drivers are also waiting patiently.

Tibetanantelopes were coming closer. Meanwhile, more and more vehicles were stopped onboth sides. Everyone was waiting anxiously and expectantly.

Suddenlythe bellwether jumped up onto the road. They come.The bellwether jumped on theroad. So did those behind it.

They’recrossing the road. What a spectacular view!