As I recall, there has never been any photo contest or photo challenge, which takes the theme: traces. Maybe I'm wrong about this. But what is important to me, these pictures are photographs for a trace, which I think, belongs to a heron that inhabits the mangrove swamp area on the Aceh coast.
Image with original color, taken with OPPO A37f.
B & W image, taken with OPPO A37f.
A trace and the environment where it was found, taken with OPPO A37f.