Black circles of different sizes on a white backgroundBlack circles of different sizes on a white background
Circles of blue color of different sizes on a blue backgroundCircles of blue color of different sizes on a blue background
Lots of gray slabs and walls of different sizes, and a red umbrella next to one of themLots of gray slabs and walls of different sizes, and a red umbrella next to one of them
Brown spirals of different sizes on a blue backgroundBrown spirals of different sizes on a blue background
White circles of different sizes on a pink backgroundWhite circles of different sizes on a pink background