A view of the Havana skyline including the Habana Libre Hotel taken from the Nacional Hotel, Havana, Cuba, West Indies, Central America

Wall painting Viva Cuba Libre, Havana, Cuba, Central America

Lucha Libre. Combat between Dina with orange dress and Julieta, cholitas females wrestlers ,with a referee, Sports center La Ceja, El Alto, La Paz, Bolivia

Lucha Libre. After the show. A follower is photographed with cholitas fighters. Down Julieta, Celia la Simpatica, and Dina with blue dress , cholitas females wrestlers ,Sports center La Ceja, El Alto, La Paz, Bolivia

Lucha Libre. male and the cholita Celia la Simpatica wrestlers in combat, Sports center La Ceja, El Alto, La Paz, Bolivia

Lucha Libre. Combat between the Transvestite and the cholita Angela la Folclorista, wrestlers ,Sports center La Ceja, El Alto, La Paz, Bolivia

Lucha Libre. Angela la Simpatica and La Momia fighting, males and cholitas females wrestlers in combat, Sports center La Ceja, El Alto, La Paz, Bolivia

Lucha Libre. Combat between Dina with orange skirt and Benita la Intocable , cholitas females wrestlers ,with referee in the middle, Sports center La Ceja, El Alto, La Paz, Bolivia

Lucha Libre. Wrestlers in combat, Sports center La Ceja, El Alto, La Paz, Bolivia

Lucha Libre.Two spontaneous up to the ring to help the cholita Angela la Folclorista during the combat again the wrestler called El Prisionero, Sports center La Ceja, El Alto, La Paz, Bolivia

Lucha Libre. Julieta and Celia la Simpatica whith pink skirt during a crazy combat, agaist males wrestlers, Sports center La Ceja, El Alto, La Paz, Bolivia

Lucha Libre. After the show. A follower is photographed with cholitas fighters. At left Julieta, in the middle Celia la Simpatica, and Dina , cholitas females wrestlers ,Sports center La Ceja, El Alto, La Paz, Bolivia

Lucha Libre. Julieta and Celia la Simpatica during a crazy combat, agaist males wrestlers, Sports center La Ceja, El Alto, La Paz, Bolivia

Lucha Libre. Two spontaneous up to the ring to dace with the cholita Angela la Folclorista to celebrate the victory, Sports center La Ceja, El Alto, La Paz, Bolivia

Lucha Libre. Male fighter stretch the hair of cholita Julieta, wrestlers in combat, Sports center La Ceja, El Alto, La Paz, Bolivia

Lucha Libre. Combat between Dina with orange dress and Julieta, cholitas females wrestlers ,Sports center La Ceja, El Alto, La Paz, Bolivia

Lucha Libre. Combat between Dina with orange skirt and Benita la Intocable , cholitas females wrestlers ,Sports center La Ceja, El Alto, La Paz, Bolivia

Lucha Libre. Combat between El Prisionero and the cholita Angela la folclorista, wrestlers ,Sports center La Ceja, El Alto, La Paz, Bolivia

Lucha Libre. Combat between Dina with orange skirt and Benita la Intocable , cholitas females wrestlers ,with referee, Sports center La Ceja, El Alto, La Paz, Bolivia

Lucha Libre. Benita la Intocable acclaimed by the public before starting the combat, cholitas females wrestlers ,Sports center La Ceja, El Alto, La Paz, Bolivia

Lucha Libre. Wrestlers in combat, and referee, Sports center La Ceja, El Alto, La Paz, Bolivia

Lucha Libre. Wrestlers in combat, and referee, Sports center La Ceja, El Alto, La Paz, Bolivia

Cafeteria with paintings which illustrate masks of the Lucha libre, district of Alameda, Mexico City, Mexico D.F., Mexico

Swarm robots designed by Marco Dorigo, center, and his graduate students Universit_ Libre de Bruxelles, Brussels, Belgium. An individual robot could not cross this obstacle in the forest, but when they link together and communicate with each other(when they do this lights go on) they can cross a barrier. This was inspired by how ants link together in a group to cross barriers.

Mexico, Puebla, Young girl walking past poster of wrestler wearing mask and costume.

Mexico, Bajio, Queretaro, Lucha libre or wrestling mask.

Farmer cutting sugarcane on a plantation near Habana Libre in central Cuba, Cuba

Children playing in front of an apartment house in the Habana Libre area of Havana, Cuba