translation.en: Before I start that, just so you know, each time we go to a place, we don't have authorization, so we set up like commandos -- we're a group of friends who arrive there, and we try to paste on the walls.
translation.zh: 在介绍之前，我想说明一点， 每次我们到一个地方，都不是通过旅行社的， 我们就像游击队， 一群人，到那里， 然后想在墙上贴照片，