Questions AnswersSaudi Arabia has planned a new, futuristic city called megacity called Neom. Located in North West Saudi Arabia, Neom is set to be one of the first truly sustainable urban centres. The city is referred to as ‘the line’ in its promotional video and is going to be 170 kilometres (100 miles) long, 200 metres wide and 500 hundred metres high.Neom will house 9 million residents in just 34 square kilometres...