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MEGA CRANES - Three monster machines - one mission - Crane sites must be compacted! A railway bridge must be built over a four-lane federal highway near Flensburg. It is made of steel, 46 meters long, eight meters wide, over three meters high and weighs 267 tons. Two mobile cranes are needed for this. They weigh over 100 tons and can lift up to 1,000 tons. But these extreme weightlifters must first be assembled themselves, and heavy transporters bring the individual parts of the cranes to the construction sites. The documentation shows their construction and use. #cranes #documentary #heavytransport 🔵 WELT DOKU YouTube Channel / weltdoku 🔵 The WELT news livestream / @weltvideotv 🔵 WELT Podcasts YouTube Channel / weltpodcast 🔵 WELT news channel YouTube Channel / weltvideotv 🔵 WELT Netzreporter YouTube Channel / dienetzreporter 🔵 The top news on WELT.de http://bit.ly/2rQQD9Q 🔵 The media library on WELT.de http://bit.ly/2Iydxv8 🔵 WELT news channel on Instagram https://bit.ly/IGWELTTV 🔵 WELT on Instagram http://bit.ly/2X1M7Hk