U and Eden+1

Designer Sam designs a model of Winston Churchill's funeral wagon; First time modeller Simon builds Britain's biggest model railway layout from his memory.

Sir David Attenborough lauds nature's oddities. A look at the tusk of the narwhal and the spiral shells found on snails and ammonites.

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David Attenborough presents a guide to the lives of plants in environments around the world, beginning with the plant battlegrounds of the tropical rainforests.

David Attenborough presents a guide to the world of plants that grow in water, including a river in Brazil, where the plants have created their own atmosphere.

The strategy, deception and feats of engineering plants use to thrive in the changing weather of different seasons.

Plants that have developed to thrive in the desert, including cacti that grow in the shade of other trees and collect water in pleated trunks.

David Attenborough presents a guide to the lives of plants in environments around the world, beginning with the plant battlegrounds of the tropical rainforests.

David Attenborough presents a guide to the world of plants that grow in water, including a river in Brazil, where the plants have created their own atmosphere.

The strategy, deception and feats of engineering plants use to thrive in the changing weather of different seasons.

Plants that have developed to thrive in the desert, including cacti that grow in the shade of other trees and collect water in pleated trunks.

David Attenborough presents a guide to the lives of plants in environments around the world, beginning with the plant battlegrounds of the tropical rainforests.

David Attenborough presents a guide to the world of plants that grow in water, including a river in Brazil, where the plants have created their own atmosphere.

The strategy, deception and feats of engineering plants use to thrive in the changing weather of different seasons.