Mexico, Michoacan, Patzcuaro, Dancer in mask and costume performing Danza de los Viejitos or Dance of the Little Old Men in Plaza Vasco de Quiroga.

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

Mexico, Oaxaca, Huatulco, Playa La Entrega, Cropped shot of woman snorkler carrying mask and flippers.

Mexico, Oaxaca, Huatulco, Snorkler adjusting mask while sitting in clear water beside Playa La Entrega.

Thailand, Bangkok, Thai worker in mask against pollution packing Pineapple in Chinatown market.

Thailand, Bangkok, Street vendor selling sausages in early evening light, 5 Baht each, cheapest food in the city.

Art, Graffiti, former parcel delivery warehouse converted into roller disco with the walls decorated by local graffiti artists. Data written next to hooded and masked character.

Nepal, Kathmandu, Colorful cultural masks made of papier mache in the form of lord Ganesh.

Nepal, Kathmandu, Colorful cultural masks made of papier mache in the form of gods and demons.

Mexico, Michoacan, Patzcuaro, Figure dressed in mask and costume for performance of Danza de los Viejitos or Dance of the Little Old Men in Plaza Vasco de Quiroga.

Mexico, Bajio, Zacatecas, mask made from an armadillo shell in the Museo Rafael Coronel.

Mexico, Bajio, Zacatecas, mask for the Dance of the Moors in the Museo Rafael Coronel.