Complex sentence: The site also houses the recently completed Cory Environmental Trust Visitor Centre, a drum-shaped, timber-clad building designed by van Heyningen and Haward Architects and opened on 11th May 2013 by Sir David Attenborough who described the building as'revolutionary'.
Split into simpler sentences: The site also houses the recently completed Cory Environmental Trust Visitor Centre, a drum-shaped, timber-clad building designed by van Heyningen and Haward Architects. The reserve and the new building were opened on 11th May 2013 by Sir David Attenborough who described the building as'revolutionary'.