If you believe the line on GE the camp is only about 100m over the line and I suspect it's actually on the 1962 Chinese Boundary Marker.
From the same article.........
A top Chinese military commander has been pictured painting a border marker on the country’s disputed Himalayan frontier with India in a public show of Beijing’s determination to push its territorial claims.
The images of Wang Haijiang, the commander-in-chief of the People’s Liberation Army in Tibet, showed him repainting the character for “China” in red on the frontier, established in 1962 when Chinese troops defeated Indian forces in a border war.
Lieutenant General Wang is the most senior military figure to have visited the border since June 15, when a deadly border brawl broke out in the contentious Galwan Valley between Chinese and Indian soldiers after a weeks-long standoff.........
