The scent of wild mint hangs in the air as we pass dusky ravines where baboons swing from the fig trees, swerving past brilliant white bones stripped of flesh by vultures.
Mr Lewis explained that a white paper setting out the proposals for new legislation will be published "very shortly" which will put "flesh on the bones of the government's approach".
John Coplans, on the other hand, chose Type 55 film (which yields a black-and-white positive and negative) in the 1980s to record his own stolid nude body in interlocking blocks of hairy flesh, self-portraits that owe something to Henry Moore and Philip Guston.