a photography of a dirty concrete wall with a bunch of small holes, concrete surface with a lot of small holes in it

agglomerate batch begrime bemire bunch clump cluster clustering concrete cumulation cumulus deal dirt dirty filth flock grease grime grunge heap hole holes lot mass mess messiness mint mound mount mountain muss mussiness passel peck pile plenitude plentifulness plenty pot raft sight slew small soil spate stack stain surface trade wad wall