The river that runs through England and is the most polluted river in the world
The river Thames
The natural border between France and Spain
The Pyreenees
An area of land made up of Spain and Portugal
The Iberian Peninsula
The second longest river in Europe
The Danube river
Europe's most eastern mountain range
The Ural mountains
An underwater tunnel that goes through the English Channel
The Chunnel
The Danube River empties out into this body of water
The Black Sea
The tallest mountain range in Europe
The Alps
Blew up from a nuclear reactor in 1986
The Chernobyl
A body of water that is below Italy, Greece, Albania, France and Spain
The Mediterranean Sea
The mountain shaped like a triangle; also a popular tourist destination
The Matterhorn
Starts in the Pyrenees mountains and goes to the Ural mountains
The European Plain
Busiest waterway in Europe
The Rhine River
The tallest mountain in the Alps
Mount Blanc
Walls or barriers that hold back water
Dikes