In the Concentric Compositions gallery, we corralled fascinating photos capturing natural and manufactured subjects with concentric patterns yesterday, and also those shots featuring vortex circles via perspective. This addictive geometric theme seems endless in a photo search, from jaw-dropping designs of Granada’s Alhambra ceiling to stump rings of an ancient redwood.

See, and share, more photos in the Radial Symmetry group.

Photos from José Garrido, Victor Aparicio, J-J-W, Carolina, Magortaur, and Joselito Tagarao.