developed infrastructure. political influence and being a leader. that could be because most of those surveyed were described as informed elites and business makers. they were those who regularly wear suits. best city in the world. go. >> london. >> reporter: why london? >> cosmo poll tan, business, ease of access, rule of law. >> reporter: you noticed the color of the sky, right? >> if it could have the weather of australia it would be better. >> reporter: for affordability, it was bottom of the list. most still agree, this is the best city in the world. >> there's no place on eartha can compare with london. might be -- forget that. >> reporter: it's hard to forget that. it is really expensive. >> one of the most expensive places in the world. everything is expensive at the moment.