The Smile by BIG in New York has a chequerboard facade and rooftop pool The Smile by architecture firm BIG is a mixed-use development in New York's Harlem neighbourhood with a stainless-steel facade designed to recall the "textured surface of the moon". Named for its curved frontage, The Smile at East 126th Street contains a nursing school at ground level and 223 residential apartments above. Apartments have floor to ceiling windows A chequerboard facade alternates between blackened stainless-steel panels and full-height glazed windows for the apartments. On the rooftop, hot tubs, a swimming pool, candy-coloured loungers and lawns have views over the city.