Worshippers burn incense at the Quan Su Pagoda on Quan Su Street in Ha Noi. Vietnamese are celebrating the vu lan festival to express their gratefulness to their deceased parents, grand parents and other ancestors. The Buddhist holiday is held annually on the 15th of the 7th month of the lunar calendar. People prepare ritualistic food offerings, burn incense and joss paper, as well as other papier-mache offerings such as clothes - and gold-leaf money for the visiting spirits.— VNA/VNS Photo Nhat Anh