Airports are dedicated aerodromes, or airfields, that include additional facilities used for commercial air transportation. Made up of a varied assortment of buildings and functions including utility facilities for airplane maintenance and storage, control towers, pedestrian parking, terminals and arrival and drop-off zones, airports are one of the most complex infrastructural building types in the world. Airport designs must take into consideration the requirements of the aircrafts, the operations of airline companies, the desires and demands of travelers, and the challenges of connecting to larger urban transit systems. The following assortment brings together resources related to airports that can assist in airport design.