C161 The Identity of the Owner of the Tomb
As they made their way forward, Lin Hao and Shi Lei were cautious not to deplete their oxygen supply by breathing it in continuously. Lin Hao experimented by turning off his oxygen tank and removing his helmet. Despite the foul odor that hung in the air, it wasn't toxic.
"My hunch was right," Lin Hao observed. "There's still plenty of oxygen in this tomb
