C242 The True Face of the Sneak Attack

Xiao Yang and Hawking had already passed through the passageway. What greeted their eyes was an even grander building. It also made Xiao Yang and Hawking suck in a breath of cold air. This Underground City was indeed worthy of its name. What made Xiao Yang even more puzzled was how many meters underground this place was, to be able to build these tall buildings.

"This place really surprises me