Complex sentence: The station was rebuilt in the early 20th century, opening in 1922, and included the Victory Arch over the main entrance, which commemorated World War I. Waterloo was the last London terminus to provide steam-powered services, which ended in 1967.
Split into simpler sentences: The station was rebuilt in the early 20th century, opening in 1922. It included the Victory Arch over the main entrance, which commemorated World War I. Waterloo was the last London terminus to provide steam-powered services, which ended in 1967.