The Rain Room Is Unveiled At The Curve Inside The Barbican Centre…LONDON, ENGLAND – OCTOBER 03: Members of the public experience the ‘Rain Room’ art installation by ‘Random International’ in The Curve at the Barbican Centre on October 3, 2012 in London, England. The ‘Rain Room’ is a 100 square meter field of falling water which visitors are invited to walk into, with sensors detecting where the visitors are standing. The installation opens to the public on October 4, 2012 and runs until March 3, 2013.