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The United Nations Scientific, Educational and Cultural Organization has recognized Estonia's Struve Surveying Circles and nine other countries as World Cultural Heritage in 2005.
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- Công ty Mỹ phát triển tàu tốc độ 250km/h bay sát mặt nước
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Công ty Mỹ phát triển tàu tốc độ 250km/h bay sát mặt nước
Where do people go after death? Scientists reveal the incredible answer!
Japan announces new breakthrough to help destroy many types of cancer
Why can black holes bend space-time?
Why do we feel 'suffocated' when under pressure?
Everyone has been fooled by the concept of '8 hours of sleep'! What is the best amount of sleep?
Unexpected discovery while 'saving' ancient monastery on steep cliff
Scary strange creatures discovered in Australian waters
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