Original sentence: Her painting, 'Procession to Work,' was sold at auction house Christies in 2007.She graduated from the High Institute of Fine Arts in Cairo in 1949 before continuing her education abroad at the Slade School of Fine Art between 1953-55, where she focused on drawing, painting, and etching
Edited sentence: Her painting, 'Procession to Work,' was sold at prestigious auction house Christies in 2007.She graduated from the High Institute of Fine Arts in Cairo in 1949 before continuing her education abroad at the prestigious Slade School of Fine Art between 1953-55, where she focused on drawing, painting, and etching