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Mountain climbing

See the light

Seagull’s-eye view of world’s biggest wind turbine

Enigma Number 1724

Feedback: How roundabouts combat global warming

Biggest and best

Ice spy

Alco-holiday

Environment

Weirdly human armadillo in samurai armour

Enigma Number 1723

Feedback: ‘Treated’ chocolate makes you happier

Juiced up

Answer in depth

Pass the port