Foto de stock - 20 December 2021, Baden-Wuerttemberg, Friedrichshafen: A Zeppelin NT (New Technology) is in the hangar for maintenance. The helium inside the zeppelin is drained for maintenance work and stored in house-high, yellow plastic balloons. Over the winter period the zeppelins are maintained in the hangar. The aluminium trusses and triangular carbon fibre ribs inside give the Zeppelin its stability. Photo: Felix Kästle/dpa. - Friedrichshafen/Baden-Wuerttemberg/Germany

Imagen: 20 December 2021, Baden-Wuerttemberg, Friedrichshafen: A Zeppelin NT (New Technology) is in the hangar for maintenance. The helium inside the zeppelin is.

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