sanaa, merz, gigon guyer + atelier ww, nieto sobejano, gehry, foster, moneo, ortner & ortner, studio 44, kadawittfeld, kuma, cruz y ortiz, piano, taniguchi, schneider + schumacher, ricciotti, meier, chipperfield, williams & tsien, hadid, tchoban & kuznetsov, mad, pei

New museums or old buildings that have been modernised and adapted to serve as them are capable of transforming the outward appearance of surrounding neighbourhoods and their way of life. Thanks to that, derelict or less prosperous areas and sometimes entire cities are able to acquire a new lease of life.