21.   Water trickles into the apartment from the unit above.

22.   We were there on a rare day when water was actually trickling down the cliff, and birds and butterflies were darting in and out to drink.

23.   Water trickles in a frozen creek bed.

24.   The taps for the lower castes are nearly a kilometer away and the water barely trickles.

25.   Water trickles over stones on a fountain-style tabletop.