Complex sentence: Working as a sole practitioner again, the following decade saw Bell design some of his most well known buildings, including his most renowned work, the pavilion James Fairfax commissioned to be built in Bowral, NSW.
Split into simpler sentences: Working as a sole practitioner again, the following decade saw Bell design some of his most well known buildings. Perhaps his most renowned work is the pavilion James Fairfax commissioned to be built in Bowral, NSW.