A group of boys jumps into a foamy part of the reservoir. The boys live near the reservoir, in the shanties that line its embankments.

A group of boys plays with the foam at a reservoir in Penjaringan, North Jakarta. The foam comes from the rapid churning of waste water entering the reservoir.

A boy eagerly swims through a heavy layer of foam in the reservoir.

A boy smiles and waves while rowing his small wooden boat through the foamy water.