Timeline of three longest spans — This is the timeline of the 3 longest man made spans in the world, all categories, that at least have the strength to carry some persons. It can be the span of any type of bridge, aerial tramway, powerline, structural ceiling or dome etc.… … Wikipedia
Electricity pylon — An electricity pylon or transmission tower is a tall, usually steel lattice structure used to support overhead electricity conductors for electric power transmission.High voltage AC transmission towersThree phase electric power systems are used… … Wikipedia
Electric power transmission — Electric transmission redirects here. For vehicle transmissions, see diesel electric transmission. 400 kV high tension transmission lines near Madrid Electric power transmission or high voltage electric transmission is the bulk transfer of… … Wikipedia
Crossing pylon — A crossing pylon is an electricity pylon for a crossing of an overhead line crossing over a body of water, or a valley.In order to allow ships passing underneath, crossing pylons across wide rivers and sea straits are frequently taller than… … Wikipedia
Transmission tower — A delta pylon carrying a 400kV power line towards Madrid. A transmission tower (colloquially termed an electricity pylon in the United Kingdom and parts of Europe, an ironman in Australia, and a hydro tower in parts of Canada) is a tall structure … Wikipedia
Nuuk — Godthåb City Nuussuaq district of Nuuk with the Sermitsiaq mountain in the background … Wikipedia