Waste Crisis in Mexico City | Andrew Marr’s Megacities

Andrew Marr visits Mexico City's open sewer, the grand canal.

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Stacey Dooley uncovers the shocking environmental impact caused by an insatiable appetite for cheap clothing.
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Living in the City | Andrew Marr's Megacities

Documentary in which Andrew Marr looks at how people live in five of the world's biggest megacities: London, Dhaka, Tokyo, Mexico City and Shanghai.