1.   After a hard frost the passage walls sweated and water trickled down the corridors.

2.   Undo the coupling slightly so water can trickle into the container, and open the air vent to increase the flow rate.

3.   Water trickled from the brown earth near the roots of the bush and traced a dark line through the tall grass.

4.   Water trickled in through the hole in the roof.

5.   Water trickled out of the pipe.

6.   Water trickles through an underground grotto.

7.   Water was trickling out of the gutter.

8.   Another way to keep the water from freezing is by opening the faucet to allow the water to trickle out.

9.   As this acidic water trickled through limestone, it picked up calcium in the rock.

10.   Bottled water is trickling into vending markets.