ナショナルジオグラフィックのインスタグラム(natgeo) - 11月17日 05時38分

Photo @pedromcbride // Helicopter Alley — a noisy landscape. This is what one day of traffic looks like inside Western Grand Canyon: A time-lapse composite merge of 160 individual flights on two different flight paths during an eight-hour period. In 12 hours, the total count soared to 363 helicopters. The number of flights to this location on the south side of the Grand Canyon can be over 500 flights making this heliport, on the doorstep of the 7th natural wonder of the world and border of a national park, one of the busiest in the world. How much is too much? When does collective tourism diminish the experience for everyone else at the profit of a few. #followme @pedromcbride to see more and learn what we’re doing to bring attention to these threats. #helicopteralley #grandcanyon #chasingrivers

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