円／球／平面

This work by SO_C is licensed under a CC BY-SA 4.0.

蔦に絡みつかれるハンドル。

This work by SO_C is licensed under a CC BY-SA 4.0.

用水路に浮かぶ真っ赤な風船。

This work by SO_C is licensed under a CC BY-SA 4.0.

橋の裏。