The Aquanauts discover that whilst water is precious on Earth, it’s even more so in space. It takes a lot of energy to propel water into space… and as there’s only so much a rocket can carry, the less water needed - the more scientific equipment can be sent and the further we can travel.

A Garden to the Guildhall: a free Time Hunters history walk around the City of London
44:19

A Bridge to the Barbican: a free Time Hunters history walk around the City of London
50:06

The Great Fire Trail: a free Time Hunters history walk around the City of London
1:02:38