FWIW, here's what I thought of the event:
http://www.movingtargetzine.com/article/lorry-blind-spot-demo-in-trafalgar-square
@Buffalo_Bill started
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FWIW, here's what I thought of the event:
http://www.movingtargetzine.com/article/lorry-blind-spot-demo-in-trafalgar-square