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![The [im]possible build: 4 climbing walls in 72 hours (c) Walltopia](https://www.climbing.de/wp-content/uploads/2016/11/youtube_j0Smn4dZUNk.jpg "[VIDEO] The [im]possible build: 4 climbing walls in 72 hours")
[VIDEO] The [im]possible build: 4 climbing walls in 72 hours
The 2016 World Climbing Championship in Paris was a spectacular event with 386 competitors from 53 countries and thousands of viewers both live and online.
