Original sentence: A new entrance platform will be constructed, allowing visitors to enter on the same level as the Oxford University Museum of Natural History and improved access for wheelchair users and parents with pushchairs.An environmental control system will also be installed.In this work, the 1960s exhibition gallery will be dismantled, restoring the original view through to the Museum’s totem pole.Original display cases will be returned to their original place at the front of the Museum.The entrance platform will also provide re-located shop and reception areas.The museum is expected to reopen on 1st May 2009.The space upstairs vacated by these cases will provide additional space for a Clore Duffield Education Centre
Edited sentence: A new entrance platform allows visitors to enter on the same level as the Oxford University Museum of Natural History and improves access for wheelchair users and parents with pushchairs.An environmental control system has also been installed.In this work, the 1960s exhibition gallery was dismantled, restoring the original view through to the Museum’s totem pole.Original display cases were returned to their original place at the front of the Museum.The entrance platform provides re-located shop and reception areas.The museum  reopened on 1st May 2009.The space upstairs vacated by these cases provides additional space for a Clore Duffield Education Centre