How fast is Wadi Hanifa growing?

Wadi Hanifa is a valley located in the Najd Plateau of Saudi Arabia's Riyadh region. It is a significant natural and historical landmark, considered the primary artery of life for the Saudi state. Stretching approximately 120 km, it features soft limestone soil and diverse flora. Historically known as Wadi al-Arad, it was inhabited by the Bani Hanifa tribe. Despite past environmental challenges, efforts by the Arriyadh Development Authority have transformed it into a captivating tourist destination and the largest natural reserve in the Kingdom, offering water channels, green corridors, walkways, picnic spots, and recreational facilities, while also serving as a vital natural water outlet.