| brighty, donkeys and conservation in the grand canyon. | the grand canyon is a vast place. it is almost incomprehensible in size. and yet it can also seem strangely crowded. millions of tourists flock to the grand canyon in northern arizona every year. in 1999, almost 5 million people visited, the highest figure in canyon history. and each one of them expected to see a wild, free and untrammelled landscape. despite the obvious natural resources, this expectation has proved anything but easy to satisfy. the us national park service (nps), responsible f ... | 2006 | 16904748 |