Seven of the most outrageous proposals for Notre-Dame

Since Notre-Dame Cathedral was devastated by fire last month, design proposals for rebuilding the roof and spire have got more and more ridiculous. Here are seven of the most far-fetched, including a car park, a swimming pool and a McDonald's.
The Pool by Ulf Mejergren Architects
Rather than topping Notre-Dame with a park, as several designers have suggested, Stockholm studio Ulf Mejergren Architects wants to create a wetter type of public space on top of the cathedral – a swimmi