C1844 Speak Plainly When You Have Something to Say

"Then wouldn't you guys be …" After Yang Tao heard this, he thought that these sources must be radioactive. It's very similar to some radioactive substances on Earth, but its degree should be much lower.

"Of course we did our own protective measures. Yang Tao, look at this cage. Do you know what it is?" Lee Datian asked again.

"The length and width of this cage aren't big, but it is very tall