Could humans live in underwater cities? - 6 Minute English

While human exploration of space has landed a man on the Moon and journeyed to the surface of Mars, our dreams of living in cities under the sea have not come true yet. Neil and Rob talk about some projects of underwater habitats and teach you vocabulary along the way. To download the audio and a transcript, go to our website: More 6 Minute English episodes: Sport against poverty Food made in s