51.   Photographers were the chief exponents of the new theme of the state of Earth itself, which they could only represent piecemeal, with images of specific sites.

52.   Photographers are ready to satisfy individual taste.

53.   Photographers are visionaries, too, and urban ecologists, using science and imagination to help us read the world we like to think we know.

54.   Photographers were all over the place.

55.   Photographers with laptops are transmitting pictures from mountaintops.

56.   Photographers can be prickly.

57.   Some photographers are auteurs without being artists.

58.   Some well-known, edgy photographers are present here, but with relatively tame images, not necessarily typical of their work.

59.   Still photographers are hardly happy with their forced stakeout.

60.   That is why the photographers have been able to enlist crucial financial support from such organizations as the Environmental Defense Fund, the Nature Conservancy and the MacArthur Foundation.