The Guangzhou Military Region Soldier Acrobatic Troupe performs during the opening of the 40th Monte-Carlo International Circus Festival in Monaco January 14, 2016. (Photo by Eric Gaillard/Reuters)





A picture of Prince Rainier III of Monaco is displayed as a tribute during the opening of the 40th Monte-Carlo International Circus Festival in Monaco January 14, 2016. (Photo by Eric Gaillard/Reuters)





The skating duo Pilar performs during the opening of the 40th Monte-Carlo International Circus Festival in Monaco January 14, 2016. (Photo by Eric Gaillard/Reuters)





The Cassely family and their African elephants perform during the opening of the 40th Monte-Carlo International Circus Festival in Monaco January 14, 2016. (Photo by Eric Gaillard/Reuters)





Juggler Kris Kremo performs during the opening of the 40th Monte-Carlo International Circus Festival in Monaco January 14, 2016. (Photo by Eric Gaillard/Reuters)





An artist performs during a dress rehearsal for “Amaluna”, a show by Cirque du Soleil, at the Royal Albert Hall in London, Britain January 15, 2016. (Photo by Dylan Martinez/Reuters)





An artist performs during a dress rehearsal for “Amaluna”, a show by Cirque du Soleil, at the Royal Albert Hall in London, Britain January 15, 2016. (Photo by Dylan Martinez/Reuters)





An artist performs in water during a dress rehearsal for “Amaluna”, a show by Cirque du Soleil, at the Royal Albert Hall in London, Britain January 15, 2016. (Photo by Dylan Martinez/Reuters)





An artist performs during a dress rehearsal for “Amaluna”, a show by Cirque du Soleil, at the Royal Albert Hall in London, Britain January 15, 2016. (Photo by Dylan Martinez/Reuters)





Water drips as an artist performs during a dress rehearsal for “Amaluna”, a show by Cirque du Soleil, at the Royal Albert Hall in London, Britain January 15, 2016. (Photo by Dylan Martinez/Reuters)





An artist performs during a dress rehearsal for “Amaluna”, a show by Cirque du Soleil, at the Royal Albert Hall in London, Britain January 15, 2016. (Photo by Dylan Martinez/Reuters)





An artist performs during a dress rehearsal for “Amaluna”, a show by Cirque du Soleil, at the Royal Albert Hall in London, Britain January 15, 2016. (Photo by Dylan Martinez/Reuters)





An artist performs during a dress rehearsal for “Amaluna”, a show by Cirque du Soleil, at the Royal Albert Hall in London, Britain January 15, 2016. (Photo by Dylan Martinez/Reuters)