Original sentence: In the 20th century, Chicago held on to its status as the nation's transportation hub with the building of two airports: Midway Airport, on the southside, which was largely superceded after 195 by O'Hare International Airport on the far northeast
Edited sentence: In the 20th century, Chicago held on to its status as the nation's transportation hub with the building of two great airports: Midway Airport, on the southside, which was largely superceded after 195 by O'Hare International Airport on the far northeast