1.   As they spoke, flies circled the sewage ditch.

2.   Elisee Oba said militiamen had forced her into a sewage ditch and confiscated her identity papers when she tried to go out to buy bread.

3.   They now function as little more than open sewage ditches.

4.   They lie splayed in sewage ditches or alone in empty lots.

5.   Workers digging a sewage ditch there last week unearthed two ceramic pots containing the coins, of silver and copper alloy.