light festivals around the world (part one): sydney vivid light festival.
In Chiang Mai, Thailand, Loi Krathong (ลอยกระทง) and Yi Peng (ยี่เป็ง) are the Thai holidays that takes place on the evening of the full moon of the 12th month in the traditional Thai lunar calendar. In the western calendar this usually falls in November. On this night, sky lanterns, or khom loi (โคมลอย) fill the sky in a beautiful display. Loi Krathong is also celebrated in parts of Laos and Burma.