Episode
1974 - NOVA
S22E07 Mystery of the Senses—Smell
NOVA unravels baffling cases of bad air in buildings all over the world. Even hospitals are on the "sick building" list - along with offices, schools, homes and just about any enclosed space.
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ក្រដាសផ្សព្វផ្សាយ
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Backdrops
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តំណដែលគួរឲ្យចាប់អារម្មណ៍
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អត្ថបទរឿង
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ថ្រេល័រ