Tunnels and Canals

What’s inside

• Which two countries are connected by the Channel Tunnel beneath the English Channel?
• What is the main purpose of locks in the Panama Canal?
• What distinction made the Gotthard Base Tunnel a major engineering achievement?
• Why can ships pass through the Suez Canal without using locks?
• What is the primary function of a tunnel-boring machine during tunnel construction?
• Why do the dimensions of canal locks influence the ships that can use a canal?
• The Suez Canal provides a navigable connection between the Mediterranean Sea and the Red Sea.
• The Channel Tunnel is primarily a road tunnel used by ordinary cars traveling under the English Channel.