1) read the text and fill in the gaps.
planet london
“technically speaking, photography is ( that terribly difficult”, says aerial photographer yann arthus-bertrand.
“the difficulty lies in having ideas and following ( through.” his ideas, though, ( to be especially hard to carry out: the frenchman has spent ( than 3000 hours during the past decade leaning ( of helicopters to record the earth and the imprints humankind makes on ( the captivating results form earth from the air: a photographic portrait of our planet, ( exhibition now showing ( london`s natural history museum. the pictures, ( are more than two metres across, are arranged in the museum gardens to take (10) of the natural light and open space.