Complex sentence: Most other developments in the West Bank are Israeli settlements, which are considered to be illegal under international law, some of them are visible on the surrounding hills from Rawabi's proposed location, which has been described as the first "Palestinian settlement".
Split into simpler sentences: Most other developments in the West Bank are Israeli settlements, some of which are visible on the surrounding hills from Rawabi's proposed location. Rawabi has been described as the first "Palestinian settlement".