The room was large and strange, like a special cage.

Because the whole room is split in two by a row of hard iron fences, they are on this side of the fence, but the half of the room is empty.

exactly put a huge glass tank, about two or three square meters, much larger than any fish tank.

The glass tank is as sealed around and at the bottom as the fish tank, except that there is no glass on it and you can put things in it.

Su Nuanwen is somewhat confused about the purpose of this glass jar, but he knows that it must not be a...