London Parliament Square will be seen of One Billion Rising demonstration at 11:00 GMT on the 14th of February 2013
One Billion Rising will plan protest events around the world on the same day to bring attention to the issues of rape. It looks as thought there will be hundreds of events around the world. You can find a list One Billion Rising events here.
This may be the largest flash mob in human history, and I have provided these tools so you can see the impact on geo-tagged tweeting, and also to drill down on what people at the events are sharing on twitter. Other major events to watch are blow, but there will be hundreds more around the world. Events will be happening at different times during to the day, consult the schedule for other locations: