Two people take down the diptych of Ecce Homo (Gustavo de la Paz/Europa Press/AP) — © Gustavo de la Paz A museum in north-west Spain has returned two 15th-century paintings to Polish officials after it was determined they were looted by Nazi German forces during the Second World War. The paintings, Mater Dolorosa (Mother of Sorrows) and Ecce Homo, were handed over to a delegation from Poland’s culture ministry on Wednesday. According to Spain’s Museum of Pontevedra, the works were originally believed to be by Dieric Bouts, a Flemish master born in the Dutch town of Haarlem, but now they...