Lugging backpacks and hefty bags on Sunday at sunrise, they trickle in to the expanse of dirt and gravel under Interstate 35.
Littering this city block between 4th and 5th streets in Waco, Texas, are taillight shards and pigeon feathers. The men sit mostly in solitude at the base of support columns, waiting for something to happen.
More than a dozen are there when, just after 9.00 am, a van with men from two drug rehab centres eases over the curb and parks. Two pickup trucks follow with trailers of folding chairs and sound equipment. One flatbed truck doubles as a stage. Recovering addicts line up chairs beneath the northbound lanes.
