Photographer Sarah Lee was granted unique access to the preparations for Sergei Polunin's new triple bill, an ambitious collaboration with Ilan Eshkeri and David LaChapelle featuring Natalia OsipovaProject Polunin is a new initiative spearheaded by the maverick Ukrainian dancer Sergei Polunin in order to collaborate with contemporary artists, musicians and choreographers. At Sadler's Wells in London this week he is p…