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Theyre falling out of the skies, clogging up rivers and spoiling shorelines around the planet. Why are we seeing mass animal die-offs around the world? Scientists are searching for answers, while also studying why some species are beginning to vanish. In the United States, shrinking populations of bees and bats worry researchers.
Дата первого эфира : Feb 23, 2010
Дата последнего выхода в эфир : May 03, 2013
Эпизод : 13 Эпизод
Сезон : 2 Сезон
Время выполнения: 48 минут
Студия: RMC Découverte, National Geographic
Страна: Germany, United States of America
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