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25 Ноября 2024 понедельник
Радимир Мирчев
Радимир Мирчев16.01.2014  с помощью Facebook
Oil tank in Scottish Highlands sets record for world's longest echo
Lasting an incredible 75 seconds, the echo was recorded by acoustics expert Professor Trevor Cox (pictured) in Inchindown, near Invergordon.
Very interesting :)