There are some who bemoan that Singapore is all concrete jungle and no actual jungle. But what the city state lacks in true wilderness, it more than makes up for in man-manipulated foliage that has been manicured, trimmed and landscaped into spectacular gardens. There is a reason why Singapore is fondly known as the Garden City. Forget toasting marshmallows over a campfire or a picnic given the humidity – here are five restaurants set in nature, where you can feast in the cool embrace of air-conditioning while cradled in (man-made) greenery.