Tourists visit Keukenhof spring garden in Lisse, some 20 kilometers from Amsterdam, The Netherlands. Keukenhof has more than 7 million bulbs in bloom this spring, with a total of 800 varieties of tulips.
An injured demonstrator is been helped by another after clashing with riot police during the so-called "mother of all marches" against Venezuela's President Nicolas Maduro in Caracas.
U.S. Vice President Mike Pence, center right at bottom, takes a selfie with U.S. servicemen on the flight deck of nuclear-powered aircraft carrier USS Ronald Reagan, at the Yokosuka base in Yokosuka, south of Tokyo, Japan.
Alpenhorn players perform during Pope Francis' weekly general audience in St. Peter's Square, at the Vatican.