It was a terrible discovery, plugging a hole with human skulls!

But it's also an exciting discovery, and we're here hoping to find something that would otherwise be difficult.

A few people cheered up, and Manager Yang asked the people who followed behind to go out to inform and continue to pour oxygen into it.

What they do is very simple, that is, stretch out a hose to come in, and Pure Yang enters the hole through the pipe, even if there is any toxic gas, this oxygen can be diluted away, and the danger is minimized.

It's still a professional, but they've been looking here for so many years, and they should know about the caves here.

When we cleaned the mud from the cave wall, we saw countless bones with white flowers.

Chapter 74 Someone is already dead and is being hit by his hand, please wait a moment,

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