Used plastic water bottles will get you a ride on this bus in Surabaya

A contract worker at Purabaya bus terminal in Surabaya separating plastic bottles into different sacks based on their capacity.

Trading company employee Ari Fatah has no qualms about picking up plastic bottles from the streets of his Indonesian home town.

In fact, he always makes sure to carry a shopping bag that he knows can fit in at least three large-sized bottles.