 Finally shaking off his association with Wyndham Lewis, Roberts had evolved a unique and highly recognisable 'English Cubist' style.His subject matter turned to urban life in London with paintings such as "Bank Holiday in the Park"  and "At the Hippodrome", which were exhibited with the London Group, and "The Cinema"  – later acquired by the Tate Gallery.At this stage his oeuvre was quite broad, including scenes from 'Greek Mythology [and] Christian Mythology', as he put it.