New Zealand is known for its stunning scenery, ranging from snow-capped mountains and glaciers to volcanoes and hot pools, pristine golden beaches and lush subtropical rainforests. Though the picturesque country with a 5.5-million population continues to draw international visitors, more Kiwis (the name New Zealanders give themselves, after a unique flightless bird and not the fruit) are calling it quits. Why and can this trend be reversed?