Visitors look at chocolate-made sculptures during the 14th Obidos International Chocolate Festival in Obidos village, north of Lisbon, capital of Portugal on April 25, 2016. The Chocolate Festival is held from March 31 to April 25. (Xinhua/Zhang Liyun)

A visitor takes photos of a chocolate-made sculpture during the 14th Obidos International Chocolate Festival in Obidos village, north of Lisbon, capital of Portugal on April 25, 2016. The Chocolate Festival is held from March 31 to April 25. (Xinhua/Zhang Liyun)

Visitors look at chocolate-made sculptures during the 14th Obidos International Chocolate Festival in Obidos village, north of Lisbon, capital of Portugal on April 25, 2016. The Chocolate Festival is held from March 31 to April 25. (Xinhua/Zhang Liyun)