The Docklands Legends Wall is 130 metres (426.5 feet) long, painted in one month by local artist Glen Molloy. The wall includes the Hollywood faces of Leonardo DiCaprio, Harrison Ford and Christopher Walken, all in stunning detail. 

Check out this recent interview:
https://slabber.net/2020/04/30/celebrated-belfast-street-artist-glen-molloy-intends-to-isolate-himself-from-a-pretentious-world-to-regain-his-love-for-art/