Photograph by Ian Nicholson © I thought I’d do a post to coincide with an exhibition opening today in London. Dulwich Picture Gallery in South London is showing a monumental installation in its grounds to coincide with Andy Warhol: The Portfolios, The Bank of America Collection. The Four Seasons, a set of four fifteen-foot fibreglass sculptures by American artist and film-maker Philip Haas, will be the first ever public display of all four works. In a spectacular transformation that is…