Fake prehistoric rock art of a caveman with a shopping trolley has been hung on the walls of the British Museum.
The rock art was made within the last year.
( z1 make :ARG1 ( z2 art :mod ( z3 rock ) ) :time ( z4 before :op ( z5 now ) :duration ( z6 temporal-quantity :quant 1 :unit ( z7 year ) ) ) )