Sonae Sierra, an international specialist in the development of shopping malls, is to refurbish the Colombo shopping centre in Benfica, near Lisbon. The shopping mall is currently the largest shopping centre in Portugal and will celebrate a decade of existence next year. It provides a lettable are of 119,738 m2, and includes 413 retail stores and 6,800 parking spaces. Developed by Sonae Sierra, the centre is owned by the Portuguese development company and ING Real Estate.