Berlin Tegel Airport core of the new technology park, with up to 2,500 students. It is envisaged that the adjoining areas will be used both for research and development and for manufacturing companies. Berlin TXL will also make an 80 hectares area available for industrial uses – the largest single inner-city development area in Berlin. The area of today's airport originally was part of Jungfernheide forest, which served as a hunting ground for the Prussian nobility. During the 19th century, it was used as an artillery firing range. Aviation history dates back to the early 20th century, when the Prussian airship battalion was
Airport city Airport city Airport city is the "inside the fence" airport area including the airport (terminals, apron, and runways) and on-airport businesses such as air cargo, logistics, offices, retail, and hotels. The airport city is at the core of the aerotropolis, a new urban form evolving around many major airports. The airport city model recognises that an airport can do more than perform its traditional aeronautical services, evolving new non-aeronautical commercial facilities, services and revenue streams. Airports are now routinely targeting non-aeronautical revenue streams amounting to 40–60% of their total revenues. Industry leaders and researchers share best practices on non-aeronautical revenues