US Department of the Interior @Interior
It's a moonbow! The @YosemiteNPS lunar rainbows are rare and typically are visible in spring and early summer and can be seen on park waterfalls at night. Have you ever heard of a moonbow? #NationalParkWeek Photo by Harold Fritsche (https://t.co/7u0uZGuWtK) https://t.co/7LlpVKhnqV — PolitiTweet.org