Blogger Dawn Foster loves to cycle and believes 'the only way you can really know a city is by bike'.

For some reason when Dawn was 'zooming' to and from work on her bike it opened the gates for passing motorists and pedestrians to hurl abuse and sexist comments.

'One evening, after struggling up a particularly steep hill in Greenwich, I was angry and aggrieved that an athletic feat met with only sexist comments – "Come on love, put some back into it!" and "I hope you put as much effort into the bedroom!".

It was after this incident Dawn decided to see whether comments and altercations were concentrated in certain areas. 'I wasn't sure, but finding out seemed like an interesting experiment. The following day I started cataloguing the comments I experienced, and recording them on Google Maps'. Dawn set up the blog 101 Wankers giving details of insults mapped to each location. 

Read the full story in the Guardian.