Cable car across the Thames

Assuming anyone actually uses it, to travel between those bustling commerical hubs of North Greenwich and Royal Docks.

It'll be as busy as the Woolwich Foot Tunnel, y'know the one most people don't realise exists. It'll make a massive loss, Emirates will have some sort of break clause since they no doubt have better lawyers than TfL, and then we'll be paying the whole whack.

it made me happy can you put a price on happiness?