C50 Underground Tunnel

Wu Shanbao gazed toward the spot Mo Yunfei had indicated, but all he saw was an expanse of grass, seemingly as ordinary as could be. His curiosity piqued, he asked, "Is it really here?"

"Yes," Mo Yunfei affirmed with conviction. He strode forward, muttering under his breath until his eyes brightened. He bent down and heaved at the grass.

"Crack!" The grating sound of a door opening echoed