Original sentence: Most of the hosts were filmed on MGM's famous backlot, which appears ramshackle and rundown in this film, because MGM had sold the property to developers and the sets were about to be demolished (several of the stars, including Bing Crosby, remark on this during their segments)
Edited sentence: Most of the hosts were filmed on MGM's famous backlot, which looks disturbingly ramshackle and rundown in this film, because MGM had sold the property to developers and the sets were about to be demolished (several of the stars, including Bing Crosby, remark on this during their segments)