He can't judge where Li Nan is and how big the dark space is.

Sui Yueyue is too cunning to make full use of the light, so that he can not judge these.

But these noisy footsteps made Li Nan understand.

The Golden Triangle is located in the tropical region of Southeast Asia, where there is not only plenty of rain and sunshine, but also mountains with complex topography.

Almost all mountains have natural caves.

There are many reasons for the formation of these caves, some of which have been washed away by rainwater, and some of which have been caused by crustal movement. The caves formed by

are different...