Farmers collect spring tea to markLichun, or the start of spring, according to the traditional lunisolar calendar, in Rongshui Miao Ethnic autonomous prefecture, South China's Guangxi Zhuang autonomous region, Feb 04, 2014.Lichun, the first solar term, refers in particular to the day when the Sun is exactly at the celestial longitude of 315. The calendar was often used as guidance for agricultural activities. In ChinaLichun, which falls on Tuesday this year, has also developed cultural significance as it features various celebrations nationwide. [Photo by Long Linzhi/Asianewsphoto]