Stock Photo - 27 September 2022, Saxony, Leipzig: Mario Peter (l-r), Building and Area Management Central German Airports, Jörg Puchmüller, Aircraft Noise Abatement Officer of the State of Saxony, and Jürgen Bärike, Team Leader Building and Area Management Leipzig, talk about the modifications to the engine test run hangar at Leipzig/Halle Airport. The hangar is used to reduce noise during engine test runs and is currently being upgraded. The 76-meter-long, 90-meter-wide and 22-meter-high hangar can also be used to test engines of an Antonov AN124-100, the world's largest series-produced cargo aircraft. Puchmüller has been the aircraft noise protection officer in Saxony for a year. Photo: Jan Woitas/dpa. - Leipzig/Saxony/Germany