LISBON, June 10, 2016 (Xinhua) -- Portuguese President Marcelo Rebelo de Sousa (C) inspects the guard of honor during the commemorations for the Portugal Day, at Lisbon's Terreiro de Paco square, Portugal, June 10, 2016. Portuguese President Marcelo Rebelo de Sousa praised the Portuguese on Friday for their efforts during the country's financial crisis to mark Portugal Day. Portugal Day, a national holiday, is celebrated to commemorate the death of the famous Portuguese poet Luis Vaz de Camoes in 1580. (Xinhua/Zhang Liyun)