麻豆约拍

When tourists flocked to London for the Great Exhibition in 1851, they also got to try out something rather novel: opulent public toilets.

Today, tourists in London aren't so lucky. That's because over the past eight years the number of public toilets in the UK has fallen by 13% because of increasingly squeezed budgets. The lack of loos may now be having a detrimental effect on High Street retailers, as Lucy Burton reports.

(Photo credit: Getty Images)