abluegirl:Blue waves produced by bioluminescent phytoplankton: Vaadhoo Island in the Maldives, Florida Everglades, and Lakshadweep Islands off India.
From r/ITookAPicture: I left my shutter open for 30 seconds in the wilderness at 10.30pm, under a full moon.
There are other links in the comments that are breathtakingly beautiful.
