At the Jewish cemetery in the former Nazi concentration camp in Terezin, Czech Republic, a child places a candle during a commemoration ceremony for the 70th anniversary of the liberation of Auschwitz death camp. David W Cerny/Reuters
Oswiecim, Poland A
Holocaust survivor wears a prisoner armband at the Auschwitz Nazi death camp. Some 300 Holocaust survivors traveled to Auschwitz for the anniversary of the camps liberation by the Soviet Red Army in 1945
Photograph: Czarek Sokolowski/AP
Mexico City, Mexico Detail of shoes and images during a march of relatives demanding justice for the missing students of Ayotzinapa. This demonstration marks four months of the disappearance of 43 students in southern Mexican state of Guerrero
Photograph: Sashenka Gutierrez/EPA
Peshawar, Pakistan Schoolteachers hold a gun during a weapons training session. The provincial government launched special gun training sessions for female teachers in the city in the wake of a
Taliban attack against an army-run school
Photograph: Arshad Arbab/EPA