Fortunately for the couple, once a year a flock of magpies form a bridge over the Silver River (which in astronomical terms corresponds to the approach of the stars Altair and Vega on opposite sides of the Milky Way) so that the pair can meet, and this is the origin of Lover's Day.
幸賴喜鵲們一年一度來搭橋，有情人相會，成了中國情人節的由來。