2006 Belgium gent canal Ghent houses street water Copenhagen gents pissoir signs toilet ladies mens old public room rusty shabby sink wash worn building conveniences gender hers his ladies and gents loos public conveniences public toilet structure WCs ladies-and-gents public-conveniences public-toilet shape shaped shapes stand-alone style access advice availability communicating communication convenience direction information informative informing loo personal public-convenience rest-rooms sanitation sign toilets wc