Winter is the coldest season of the year in polar and temperate zones (winter does not occur in most of the tropical zone). It occurs after autumn and before spring in each year.
Find Teacher's Day cards and quotes to let your favorite teacher know how much he or she is appreciated.
Snow comprises individual ice crystals that grow while suspended in the atmosphere-usually within clouds-and then fall, accumulating on the ground where they undergo further changes.
Transparent chilly North Pole illustrations for Merry Christmas.