I believe its the Rhine-Main-Danube Canal. Hope that helps!
Answer:
yes because 600000000 people on the world speak this language (im not einglish)
The Great Barrier Reef is the world's largest living structure. It is made up of around 2900 individual reefs and 900 islands. ... Climate change is perhaps the biggest threat to the Great Barrier Reef. Warmer ocean temperatures put stress on coral and lead to coral bleaching.