Sezione Circolare

A circular reflective object mounted on a wall showing the surrounding scenery with a prominent red section
@sakuwo390

サクヲ

A section of wall featuring a circular white mark
gorilla1

gorilla1

Circular wooden piece showing tree rings on its surface
@tatsun_s_create

TATSU

Stacked circular cross-sections of wood logs arranged neatly
ookinate23

ookinate23