Clown, Swiss police officer, Motorbike, May Day. 小丑, 瑞士警察, 摩托車, 勞動節

A protester dressed as a clown holds an umbrella over a Swiss police officer on a motorbike during a May Day demonstration in Zurich, Switzerland on May 1, 2017. (Photo by Arnd Wiegmann/Reuters)
May Day 2017