Episode "The Perfect Swarm"
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Perfect Swarm 4
A Moroccan pesticide-spraying plane attacks a swarm of desert locusts in Mauritania.
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Perfect Swarm 2
Houmbelly ould Mohamed, director of locust treatment techniques for the Desert Locust Centre in Mauritania, studies the effects of an experimental biopesticide on a cage of captive locusts.
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Perfect Swarm 3
Desert locust blanket a shrub in Mauritania.
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Perfect Swarm 1
Hungry desert locust "hoppers" converge on the prickly branches of a familyâ??s farm, preparing to attack in Mauritania.
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Perfect Swarm 5
A desert locust snacks on the bark of a tree in Mauritania.
