It was not too obvious in the highlands of Kudi Daban, but the contrast between the air pressure was huge. If one did not pay attention on one's first time on the mountain, it was easy for the eardrums to swell. One would hear the sounds of an aircraft in one's ears. In serious cases, it could cause the eardrums to rupture.
And Mazar Daban was even more dangerous than Kudi Daban. It was the longest in the entire Tibetan Line. The continuous slopes were almost 40 kilometers long. The high mountains were steep and went straight into the clouds. It was a barren place full of brown gravel.
It meant the word "grave" in the language of the Vietnamese, so it could be seen how dangerous it was.
A group of artistic soldiers who were like 'greenhouse flowers' in the army came to the bordering town. They even went to the Shenxian Bay outpost, which only had 48% oxygen content in the plains and was known as a restricted area.
