 Complete the following phrase:  Hancocks first gallery opened at a corner of Bruton Street and New Bond Street, in London in 1849. Hancocks subsequently moved in 1917 to Vigo Street, in 1970 to Burlington Gardens and 1998 to its current location at 52  53 Burlington Arcade. Hancocks has exhibited at several renowned exhibitions. The first exhibition that Hancocks attended was the Great Exhibition at the Crystal Palace in 1851. It then participated in international exhibitions at 