Find out how a central #London #conference centre raised £20k for lifesaving loos – by inviting visitors to spend a penny: https://t.co/2librSV6P9 @CentralHall https://t.co/LUJlfHhJbb

Find out how a central #London #conference centre raised £20k for lifesaving loos - by inviting visitors to spend a penny: https://t.co/2librSV6P9 @CentralHall https://t.co/LUJlfHhJbb