Door introduction: There are two entrances and exits. Each door is equipped with two adjacent doors. One door is radiation-proof and the other is waterproof.
Hangzhou Linbiao Underground Palace Travel Guide
Comments
No comments yet
Door introduction: There are two entrances and exits. Each door is equipped with two adjacent doors. One door is radiation-proof and the other is waterproof.
Hangzhou Linbiao Underground Palace Travel Guide
No comments yet