Our world in photos: May 15

GERMANY — Brush work: Conservator Maria Loerzel refurbished one model of the “Transparent Man” (1935) in the collection depot of the Deutsches Hygiene-Museum in Dresden on Friday. Photo: Jens Meyer/AP

ROMANIA — Touching up: A man repaired a model of a giraffe outside the Grigore Antipa museum in Bucharest on Thursday. Photo: Vadim Ghirda/AP

MEXICO — Warm serenade: Mariachi musicians wore masks as they performed at Garibaldi Square in Mexico City on Thursday. Photo: Eduardo Verdugo/AP

SPAIN — Important work: Volunteers organized donated food at the altar of La Piedad chapel in Barcelona on Thursday to be distributed among people in need. Photo: Emilio Morenatti/AP

SPAIN — Playing it safe: A passenger wearing a full protective suit arrived from London at the Barcelona airport on Friday. Photo: Emilio Morenatti/AP