Complex sentence: He explores the subject in a manner reminiscent of Monet's earlier studies of Rouen Cathedral, creating a sense of grandeur by expressing the verticality of the gothic architecture and the patterns of coloured light coming from the stained glass windows.
Split into simpler sentences: He explores the subject in a manner reminiscent of Monet's earlier studies of Rouen Cathedral. He creates a sense grandeur by expressing the verticality of the gothic architecture and the patterns of coloured light coming from the stained glass windows.