April's pink supermoon in pictures -- from California to Krakow

(CNN)The night sky put on a spectacular show around the globe on Tuesday evening as the "pink" April supermoon -- the biggest and brightest of the year -- was visible for millions.

Supermoons occur when the moon is at its closest approach to Earth, making it appear brighter and bigger in the night sky than usual.
Although this supermoon is known as a pink moon, it is not actually pink in color. As the first supermoon of spring, it gets its name from a native North American wildflower that blooms in early spring: