And the world's most expensive city is ...

By CNN StaffUpdated 12th June 2014
CNN's Isa Soares tours the Summer Exhibition at the Royal Academy in London.
Padlocks symbolizing love adorn bridges worldwide and can now be found on London's Millennium Bridge. Max Foster reports.
CNN's Nina Dos Santos visits the newly-opened Shangri-La London which offers stunning views of the British capital.
It's an app that uses your phone as a window to historical London. Adam Dunnakey takes a look.
KGW reports on what may be the world's first tiny house hotel.
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