Mega Builds: Ten Colossal Construction Projects That Will Change Our World

From the hollowed mountain in Japan to the mega mirror in Saudi Arabia and the planned Fehmarnbelt tunnel that will connect Denmark and Germany, the creator behind The B1M, the world’s biggest construction YouTube channel (3.9 million subscribers) presents a gob-smacking account of awesomely enormous building projects. It will have you checking what kind of tunnel you are in next time you take the Tube.