
A Brazilian graffiti artist paints the wall at the Batman's Alley in Sao Paulo, Brazil, on March 29, 2017. Batman's Alley is a popular tourist destination because of the dense concentration of graffiti that line the streets. (Xinhua/Li Ming)

A Brazilian graffiti artist paints the wall at the Batman's Alley in Sao Paulo, Brazil, on March 29, 2017. Batman's Alley is a popular tourist destination because of the dense concentration of graffiti that line the streets. (Xinhua/Li Ming)