 On the northern end against the Piccadilly arcade are floor @-@ to @-@ ceiling mirrors , divided into panes , which give the room a spacious effect , especially when the lights are on all day during the winter . At the south end of the restaurant is a watercolour by Davis and gilded figures known as " The Thames and the Ocean " , with a buffet made from Norwegian pink marble below it , believed to be inspired by Louis Seize 's " Buffet of Mansart " . 
