Royal flush: Jubilee year means more demand for portable toilets
The summer months are generally the busiest for Britain's portable toilet providers, who supply facilities to outdoor concerts and festivals.
But thanks to extra demands of the Olympics and the Queen's Jubilee, 2012 is likely to be the biggest year on record for Britain's portable toilet industry.
Peter Lewis is director of UK trade association Portable Sanitation Europe, and runs his own portable toilet hire company.
Produced by Charlie Murray.