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The Great Wall Marathon – level 3
19-05-2026 15:00
The Great Wall Marathon in Huangyaguan, China, is officially...Too many tourists in Norway – level 2
20-04-2026 07:00
Norway is more popular than ever, but too many...A robot dog on Mount Etna – level 2
09-02-2026 15:00
Scientists from Switzerland use a robot dog on Mount...A robot dog on Mount Etna – level 3
09-02-2026 15:00
Researchers from a Swiss university sent a four-legged robot...