Refugees are sheltered from the rain at a temporary hospitality center set up in a cafeteria of the medieval castle of Trikala in central Greece on March 14, 2016. A medieval fortress in central Greece has opened its door last Thursday to host guests overnight. The fortress of Trikala, a city of 80,000 residents, is located some 350 kilometers north of Athens. The castle has been turned into a temporary camp to accommodate 201 refugees and migrants these days. (Xinhua/Lefteris Partsalis)