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Two Men Before a Waterfall at Sunset is an 1823 landscape painting by the Norwegian artistJohan Christian Dahl It depicts Dahl and his friend and contemporary Caspar David Friedrich standing in a landscape inspired by his native Norway. It pays home to Friedrich's 1819 work Two Men Contemplating the Moon. The Norwegian Dahl settled in Dresden and worked there for most of his career, but continued to drawn inspiration from his homeland.