A “green” army, get it? ;-)
Small section of a large mural relief in the town centre of Roermond, in The Netherlands. I have not found out the artist yet, or what it is supposed to depict, but I love the strict geometrical style and all the different textures and shadows.
The idea that it may be depicting warriors, came from the similarity to some of the archaeological findings from 8th century BC Greek art, like this:
(Casio EX-S10 @6mm, ISO 800, 1/100 sec, f:2.8; Barrel distortion correction in PS)