Acrobats from China's Shandong Acrobatic Troupe perform at the 44th Monte-Carlo International Circus Festival in Monaco, Jan. 17, 2020. The circus festival, known as one of the world's top circus events, will last till Jan. 26. (Xinhua/Gao Jing)

Clown Henry Ayala performs during the 44th Monte-Carlo International Circus Festival in Monaco, Jan. 17, 2020. The circus festival, known as one of the world's top circus events, will last till Jan. 26. (Xinhua/Gao Jing)

An acrobat performs during the 44th Monte-Carlo International Circus Festival in Monaco, Jan. 17, 2020. The circus festival, known as one of the world's top circus events, will last till Jan. 26. (Xinhua/Gao Jing)

An artist performs during the 44th Monte-Carlo International Circus Festival in Monaco, Jan. 17, 2020. The circus festival, known as one of the world's top circus events, will last till Jan. 26. (Xinhua/Gao Jing)

Acrobats from China's Shandong Acrobatic Troupe perform at the 44th Monte-Carlo International Circus Festival in Monaco, Jan. 17, 2020. The circus festival, known as one of the world's top circus events, will last till Jan. 26. (Xinhua/Gao Jing)

Clown Henry Ayala (upper) performs during the 44th Monte-Carlo International Circus Festival in Monaco, Jan. 17, 2020. The circus festival, known as one of the world's top circus events, will last till Jan. 26. (Xinhua/Gao Jing)