Take this opportunity to introduce some relevant little knowledge:

[dong] chamber A hole with a large hole and a hole in its width. For example, the Red Rose Hall of Leye Dacao Tiankeng (the second largest underground volume in the world;
[Shuishudong] sink hole Vertical caverns that are formed by the erosion, erosion, and collapse of flowing water along cracks. They are often connected to underground caverns or caverns and can reach depths of more than 100 meters. (Not belong to the tiankeng). For example, the sinkhole of XX Village in Pingguo County:

[Cave collapse collapse] The collective name of the block, gravel, and breccia deposits that form as a result of the collapse of the roof, walls, and openings.
[Cave bio-accumulation] Earth-like cave deposits mainly formed by animal feces and bones.
[Underground river] Hidden-river, also known as the dark river, has a groundwater flow with river characteristics. Such as the dark river of the Gulong Gorge in Jingxi County.
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- On March 3, cloudy and sunny 11-18°C
We are really lucky! A 120-meter straight classic shaft was explored first, then a beautiful cavern was discovered, then a magnificent chained shaft was discovered, and a super hall was explored as large as a football stadium (it took 2 days After testing that hall).

Guess what today will be? Is a Tiankeng! The caliber and depth are more than one hundred meters. There are underground forests and underground rivers! I guess no team has such good luck. In just a few days, almost all the basic types of karst caves have been discovered! It may be that many of Caver’s lifetimes are not such a full experience. What a pleasure!

After descending a hundred meters from Tiankengkou, it has been down the slope of the underground forest into the underground river. It seems that the water flow here is not great, because there are beautiful dams in the river. The main hole is wide, 30 meters wide and wide, and it has been extended. Tomorrow we will be focusing on this tiankeng. Both teams will start working together and take this big guy!

After completing the detection of the Tiankeng tomorrow, we will come to an end from the day after tomorrow, take a few days off, organize the data, and make a cave map. Of course, these contents are mainly completed by foreigners. I, the bad guys four, Lao Chen will be back to Nanning trim. Then, carry out the second phase of exploration.

(Please forgive me for not writing very much every day. I go out at 9 o'clock every day and come back at 16 o'clock. There are lots of things at night and I occasionally come back late. But I admire Bruce more every day for compiling web pages, organizing pictures, and sleeping. Very few.This is their net Http://)

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Foreigners with strange appearances are the first time in this humble village. The villagers quickly gathered and we could easily ask where the hole was. There are altogether four openings, and we will go to see one by one. Unfortunately, because of the groundwater pollution and mudstone deposits caused by the opening of gold mines and highways in recent years, all the caves are filled with silt and twigs, and it is impossible to proceed. In a cave that once could reach the underground river, we encountered a huge white snake. Big David and the snake hit him. He didn't know the snake, and he hurried to leave. When the villagers heard about it, they immediately hurried and tried to bring it to justice. After waiting for nearly half an hour, the snake-hunters returned with triumph, and six large fish were also recovered from the underground river. The villagers all ran to see the lively, our camera cameras kept shooting around the snakes, snakes have become today's star! Big David took the snake and hung it on himself. He was in close contact with the snake and could not put it down. The villagers also passed a circus addiction. Look at those big fish, but not blind fish, but the usual pond angle fish and squid. When the villagers enthusiastically wanted to make snakes and fish into our luncheon, all the players shouted in unison: No! In order to preserve them, Chen Lixin asked the village officials to tell the camera about the ambition of wild animals, and thanked them for their actions. They said that such good events would spread through the news. (I hope these animals haven't become dinner yet!)

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- On March 1 cloudy 15-21 °C
Probably the old saying has always been fulfilled. The day before yesterday we said one sentence: to give up and explore, and thus missed the victory. Although it was a cliché, the next day was fulfilled again. When we went back down into the yesterday’s shaft and pushed down just one more pitch, we were all on foot and we walked to the underground river and ended up on a sump as expected. (sump [English] = siphon [French]). According to the sunto table of the bad guys, the underground river is 180 meters above sea level, which is already close to the level of the Red River. In other words, this water hole has been explored.

Another small group that measured Bahao Cave in Bahao Village of Balao Township—Little David and Ennest—had also measured the next day. It should have been able to be tested in the afternoon, but we have not heard their news until 8:30 in the evening. There must be something wrong! Although we are very reassuring about the experience of the old Ennest, we have to make preparations for the rescue and immediately set out to look for them. When they arrived at Bahao Village, they bumped into their car. When they were testing a hall, they couldn't find the closing point. It took a long time to find it. In the end, I got the measurement until 9 o'clock.

Waiting to relax, a cargoer who went to the rescue began to fall asleep. It ended a hard day.

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