The QUANT e-Sportlimousine by nanoFlowcell AG is pictured at the 85th International Motor Show in Geneva, March 2, 2015. REUTERS/Arnd Wiegmann

Costumed revelers perform during a carnival procession in the southeastern Macedonia's town of Strumica, Saturday, February 21, 2015. Strumica carnival is held every year during the Christian Orthodox holiday Trimeri, marking the beginning of the Easter fasting period. (Photo by Boris Grdanoski/AP Photo)

Actress, model, world-class snowboarder and 2014 Paralympic bronze medalist Amy Purdy answers questions at a news conference before the Daytona 500 NASCAR Sprint Cup series auto race at Daytona International Speedway, Sunday, February 22, 2015, in Daytona Beach, Fla. Purdy will be driving the pace car for the race. (Photo by Phelan M. Ebenhack/AP Photo)

In this Sunday, February 22, 2015 file photo, Matthias Mayer of Austria, the winner, is airborne during an alpine ski World Cup men's super-G event, in Saalbach Hinterglemm, Austria. (Photo by Giovanni Auletta/AP Photo)

In this February 11, 2105 photo, 72-year-old Aurea Murillo prepares to make a pass during a handball match among elderly Aymara indigenous women in El Alto, Bolivia. Dozens of traditional Aymara grandmothers ease many of the aches and pains of aging by practicing a sport that is decidedly untraditional in Bolivia: team handball. (Photo by Juan Karita/AP Photo)

Berber women weave traditional carpets in the village of Ait Sghir in the High Atlas region of Morocco February 15, 2015. The snowy foothills of the High Atlas mountains in Morocco are home to several Berber villages where the inhabitants make their living by farming, baking bread in traditional ovens, herding cattle, and the making and selling of honey, olive oil and pottery. Extreme weather fluctuations and erosion that causes flooding and landslides have led to a drop in agricultural productivity, the United Nations said. (Photo by Youssef Boudlal/Reuters)