• 1 Ecology
• 1 Mountains
• 1 Natural history
• 1 Physical geography

• 1 BBC Worldwide Americas, Inc.
• 1 Berlowitz, Vanessa
• 1 British Broadcasting Corporation
• 1 Discovery Channel (Firm)
• 1 Fothergill, Alastair
• 1 Nihon Hōsō Kyōkai

• 1 Earth (Planet)
• 1 Everest, Mount (China and Nepal)

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