Photos of the Day: Protesters and Sunflowers

Tarragona, Spain

Members of Castellers de Sants build a human tower during the 27th Tarragona Competition

Photograph: David Ramos/Getty Images

Goyang, South Korea

A firefighting helicopter tries to extinguish flames engulfing an oil storage tank

Photograph: Yonhap/EPA

Ciorogarla, Romania

A child peers out of a voting booth as his father casts his vote on a constitutional amendment that would make it harder to legalize same-sex marriage

Photograph: Andreea Alexandru/AP