Unusually low water levels on the Danube River in Hungary are affecting shipping, agriculture, and local ecosystems along Europe's second-longest river, which is a major transport route across the continent.Temperatures peaked at 35 degrees Celsius (95 degrees Fahrenheit) in Budapest this week as mu<p><p>https://www.marinelink.com/news/low-water-levels-danube-disrupt-shipping-527647</p></p>