Complex sentence: In 2000, ownership of the theatre changed once again when it was acquired by Andrew Lloyd Webber's Really Useful Group, and in 2002, the famous (but outdated) revolving stage was removed to make way for more modern technology.
Split into simpler sentences: In 2000, ownership of the theatre changed once again when it was acquired by Andrew Lloyd Webber's Really Useful Group. In 2002, the famous (but outdated) revolving stage was removed to make way for more modern technology.