Citizens select the stamps featuring a cartoon snake at a post office in Macao, south China, Jan. 3, 2013.     A citizen writes on a letter at a post office in Macao, south China, Jan. 3, 2013.

Macao Post released the first set of stamps and products marking the upcoming "Year of the Snake" on Thursday. The year of 2013 is the "Year of the Snake" under the 12-year Chinese lunar calendar in which each year is named after one of the twelve Chinese zodiac animals in turn.