Photos of the Day: Donald Trump and Senator Bernie Sanders

Luoyang, China

A banquet is held along the walkway of a cliff in Henan province

Photograph: AFP/Getty Images

Graubünden, Switzerland

Himmel III by Matthias Bildstein and Philippe Glatz joins Art Safiental, a land-art exhibition in the Safien valley

Photograph: Gian Ehrenzeller/EPA

Samjiyon County, North Korea

Kim Jong-un inspects a farm

Photograph: KCNA/AFP/Getty Images