Original sentence: Situated in the south-central Berlin borough of Tempelhof-Schöneberg, the airport ceased operating in 2008 amid controversy, leaving Tegel and Schönefeld as the two main airports serving the city, with the new Berlin Brandenburg Airport still under construction as of 2015
Edited sentence: Situated in the south-central Berlin borough of Tempelhof-Schöneberg, the airport ceased operating in late 2008 without any valid reason but only by the will of the Governing Mayor of Berlin Klaus Wowereit