It is graffiti! The first part of my hydrogen balloon is about Melbourne graffiti. I didnt expect to return to Sao Paulo to take a taxi. The pressure on the city was full of graffiti. The next day I also looked for recommended spots to the most concentrated bats. Xia Hutong." This is a hundred-meter-long alley hidden deep in the ground. Every inch of the alley from the ground to the wall is painted with colorful. When it says graffiti, I think the size is art.