Year of Rat forever stamp unveiled in Monterey Park, U.S.

Guests attend the unveiling ceremony of Year of the Rat forever stamp in Monterey Park, the United States, Jan. 11, 2020. Issued by the U.S. Postal Service at the Monterey Park Lunar New Year Festival 2020, the stamp features a rat mask that calls to mind the elaborately decorated masks used in the dragon dance, a hallmark of Lunar New Year parades. (Xinhua)