probably a sunset. there is a reflection of the sun, without sun. the ocean is higher on both side of the image, making it looked like the sun fall in the water, trapped.
Sun Blocks are Generative Art collectionS based on 3000 Sunset and Sunrise pictures taken all over the world from the last 12 years... The more you get involved, the more the community wallet, and your wallet, will earn tokens. SunBlocks is about a DAO becoming the Artist