Photo taken on April 28, 2013 shows the roof of a building in Hue, a famous historic and cultural city in central Vietnam. Hue was the capital of Nguyen Dynasty, the country's last feudal dynasty. Hue was recognized by the United Nations Educational, Scientific and Cultural Organization as a World Heritage in 1993. (Xinhua/Zhang Jianhua)
Photo taken on April 28, 2013 shows the tower in Hue, a famous historic and cultural city in central Vietnam. Hue was the capital of Nguyen Dynasty, the country's last feudal dynasty. Hue was recognized by the United Nations Educational, Scientific and Cultural Organization as a World Heritage in 1993. (Xinhua/Zhang Jianhua)
Photo taken on April 28, 2013 shows the tower in Hue, a famous historic and cultural city in central Vietnam. Hue was the capital of Nguyen Dynasty, the country's last feudal dynasty. Hue was recognized by the United Nations Educational, Scientific and Cultural Organization as a World Heritage in 1993. (Xinhua/Zhang Jianhua)
People enter a construction in Hue, a famous historic and cultural city in central Vietnam, April 28, 2013. Hue was the capital of Nguyen Dynasty, the country's last feudal dynasty. Hue was recognized by the United Nations Educational, Scientific and Cultural Organization as a World Heritage in 1993. (Xinhua/Zhang Jianhua)
Photo taken on April 28, 2013 shows a mausoleum in Hue, a famous historic and cultural city in central Vietnam. Hue was the capital of Nguyen Dynasty, the country's last feudal dynasty. Hue was recognized by the United Nations Educational, Scientific and Cultural Organization as a World Heritage in 1993. (Xinhua/Zhang Jianhua)
Photo taken on April 28, 2013 shows a mausoleum in Hue, a famous historic and cultural city in central Vietnam. Hue was the capital of Nguyen Dynasty, the country's last feudal dynasty. Hue was recognized by the United Nations Educational, Scientific and Cultural Organization as a World Heritage in 1993. (Xinhua/Zhang Jianhua)
Photo taken on April 28, 2013 shows a mausoleum in Hue, a famous historic and cultural city in central Vietnam. Hue was the capital of Nguyen Dynasty, the country's last feudal dynasty. Hue was recognized by the United Nations Educational, Scientific and Cultural Organization as a World Heritage in 1993. (Xinhua/Zhang Jianhua)
