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20 gen 1985 anni - Científicos británicos y americanos descubren el hoyo en la capa de ozono sobre la Antártida
Aggiunto al nastro di tempo:
Historia de la Sostenibilidad
By
Andrés Calva
6 ott 2017
0
0
506
Data:
20 gen 1985 anni
Adesso
~ 39 years ago
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