It will be interesting to see how cities will cope with it. I am sure the amount of tourists will continue to rise significantly over the next decades - just th

It will be interesting to see how cities will cope with it. I am sure the amount of tourists will continue to rise significantly over the next decades - just think about much of India, Africa and South America entering global tourism. So Venice, Amsterdam, London, Barcelona, Paris, New York etc will maybe have 10 times the tourists than today and the cities will need a concept how to deal with it.