- Qi Xi, also known as Chinese Valentine's Day, originates from a 2500-year-old legend about star-crossed lovers Niulang and Zhi Nu who are separated by the Milky Way. - The most common version of the story is that Niulang, a cow herder, falls in love with Zhi Nu, one of seven fairy sisters, but they are separated by the Goddess of Heaven. - On the seventh day of the seventh lunar month, magpies form a bridge over the Milky Way so the lovers can reunite for one night. It is believed that any rain on this night are the lovers' tears of sadness from being separated.