1.   In a scene sure to be talked about, Renton dives into a filthy public toilet to retrieve drugs.

2.   In the most notorious scene of drug-dependent self-abasement, Mark dives into a filthy toilet to retrieve some drug suppositories.

3.   Take snakes, dentist visits, filthy public toilets ... please!

4.   At Morehouse College, where the volunteers are living in dormitories, they complain of filthy toilets, poor food and cockroaches.

5.   Local authority complaints - from rubbish piles to blocked drains to filthy public toilets - have become a staple all over.

6.   The stench of filthy toilets and rotting garbage is overpowering.