Complex sentence: In the mid- 1990s there were still decaying roads and abandoned residential buildings; however, this land was being bought by the Port Columbus International Airport for future expansion, which razed the remaining structures and fenced off the land.
Split into simpler sentences: In the mid- 1990s there were still residence living in this community, until the land was purchased by the Port Columbus International Airport for future expansion. The Airport then tore down the community and razed the remaining structures and fenced off the land.