Original sentence: Reclamation of chemical factory sites and areas formerly polluted with chemical waste has given opportunities for developments.There are a number of listed buildings, many of them in the more outlying areas but some are scattered throughout the town
Edited sentence: As a town with a relatively short history, Widnes has few historical sites.However, reclamation of chemical factory sites and areas formerly polluted with chemical waste has given opportunities for developments.Much of the architecture of the town is undistinguished but there are a number of listed buildings, many of them in the more outlying areas but some are scattered throughout the town