The Spree River region, located in Eastern Germany, is a major tourist destination known for its meandering tributaries. Large quantities of rust chemicals are flushed up and turning the river orange, ...

The green club-tailed dragonflies are gone. Isabell Hiekel knows not to look for them anymore along the Wudritz, a tributary of the Spree River in eastern Germany. The majestic Ophiogomphus ...