the tulip stairs, queen’s house, greenwich, england

17th abstract anne architecture art ascending background britain building cantilever century charles circle circular classical construction curve denmark design down elegance elegant engineer engineering england geometric grand greenwich helical henrietta holiday iconic inigo interior interiors iron jones london maria mauve observatory ornate palace palatial park perspective queens selfsupporting seventeenth shape sightseeing skylight spiral spiraling staircase stairs stairway structure swirl symmetry tourism tulip white wrought