Image for Sewer Diving in Mexico City

Sewer Diving in Mexico City

Duration: 03:21

Mexico City is in danger of drowning in its own filth. Dallas joins one of the men responsible for keeping its sewers flowing freely – by diving into them.

Available since: Wed 14 Nov 2012

This clip is from

Supersized Earth A Place to Live

1/3 Dallas explores how we've conquered the skies as we build astonishing places to live.

First broadcast: 21 Nov 2012

Image for A Place to Live Not currently available on BBC iPlayer

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