The Danube has been reduced by 134 km in two centuries due to human activity – Curious – DarikNews

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1. The Danube has been reduced by 134 km in two centuries due to human activity – Curious DarikNews
2. Scientists with an amazing discovery on the Danube river Blitz – news from Bulgaria and the world
3. The Danube river is shrinking – 24chasa.bg 24 hours
4. See full presentation on Google News