An undated handout artists impression made available by the US Embassy in London on May 9 showing the new US Embassy in Nine Elms on the south bank of the River Thames in London, Britain. The US Embassy reported that 11-story cube shaped building is due to open in 2017 at a cost of GBP770 million or $1 billion as they relocate from the current embassy in 24 Grosvenor Square in Mayfair.  EPA/US Embassy London