Bicycle

A bicycle is parked under pictures of Cuba's former president Fidel Castro, Raul Castro, brother of Fidel and Cuba's president, and revolutionary hero Ernesto 'Che' Guevara (L-R) in an office in Havana December 19, 2014. With Washington agreeing to restore full diplomatic ties that were cut in the early 1960s, Cuba's communist government may not be able to blame its old Cold War nemesis so readily. Cuba has repeatedly sought to dispel the idea that it secretly wanted the embargo in place, saying if the Americans believed that they should challenge Cuba by lifting it.

Enrique De La Osa/Reuters

A bicycle is parked under pictures of Cuba’s former president Fidel Castro, Raul Castro, brother of Fidel and Cuba’s president, and revolutionary hero Ernesto ‘Che’ Guevara in an office in Havana on Friday. Washington has agreed to restore full diplomatic ties that were cut in the early 1960s, with its old Cold War nemesis

TOPSHOTS This picture taken on June 14, ...TOPSHOTS This picture taken on June 14, 2014 shows a man rising a public bicycle through a bicycle-sharing station in Beijing. Beijing is acutely aware of an increasing number of angry protests over environmental concerns in the country, where three decades of rapid and unfettered industrial expansion have taken a heavy toll. Premier Li Keqiang announced in March that Beijing was "declaring war" against pollution.   CHINA OUT   AFP PHOTOAFP/AFP/Getty Images

AFP/Getty

A man rides a bicycle at a bicycle sharing station in Beijing. China is acutely aware of an increasing number of protests over environmental concerns in the country, where three decades of rapid and unfettered industrial expansion have taken a heavy toll. Premier Li Keqiang announced in March that Beijing was “declaring war” against pollution. 

A man rides a bicycle as he carries his dog on his shoulders in Mumbai...A man rides a bicycle as he carries his dog on his shoulders in Mumbai July 9, 2013. REUTERS/Danish Siddiqui (INDIA - Tags: SOCIETY ANIMALS)

Danish Siddiqui/Reuters

A dog holds on tightly as his owner rides a bicycle in Mumbai, India, on Tuesday 

Iraqis walk past a bicycle shop in the c...Iraqis walk past a bicycle shop in the central Sadria area of Baghdad, on July 2, 2013. AFP PHOTO / ALI AL-SAADIALI AL-SAADI/AFP/Getty Images

Ali Al-Saadiali/AFP

Iraqis walk past a bicycle shop in the central Sadria area of Baghdad on Tuesday.