Complex sentence: The mall, which opened in 1993, houses 260 stores on 3 levels covering an area of 37,000 square metres (m²), and 3,000 m² of office space.
Split into simpler sentences: The mall, which opened in 1993, has 260 stores on 3 levels. With a shopping area 37,000 square metres (m²) and 3,000 m² of office space.