[Chinese artist and activist Ai Weiwei stands between tents while visiting the Greek border camp near Idomeni, Wednesday, March 9, 2016. Ai Weiwei has visited the Idomeni refugee camp on the Greek-Macedonian border, where about 14,000 people, mostly Syrian and Iraqi refugees, have found themselves stranded after Macedonia shut its border. The artist has been focusing on the plight of refugees in recent months, and had spent time living on the Greek island of Lesbos, where many of the refugees arrive from the nearby Turkish coast. (AP Photo/Vadim Ghirda)]BERLIN (AP) — The Latest on the continuing issues of mass migration to Europe (all times local):