I lived on a diet road in NH for a while... The gravel and diet just add texture! You lack that refined 'je ne sais quoi' appetite... And I'm mosat cases... It's better if you DONT KNOW what...
Fallen branches and dead leaves, I guess. Probably a bit of grass growing through the cracks on the edges.
Dip it in a puddle of transmission fluid and it would look like a nice Raspberry vinaigrette dressing.