The River Nile burst its banks annually making villagers flee from the flooding. Eventually, the waters subsided and everybody could return home. Since the 1970s, the Aswan High Dam has helped to prevent these unpredictable surges.
Goodall travelled to Egypt in 1858 and 1870-1. A major work like this was based on sketches made in Egypt but painted in Britain. Goodall collected Egyptian artefacts to use as props back home, even sheep which he kept in his garden.