No industry in the world employs more people or is the world's largest foreign currency earner than tourism. Long billed as the cleanest industry for developing countries to invest in, tourism seems to offer everyone involved a positive experience. This is the official line, anyway. In truth, the reality is much more complex . ForThe Final CallHickman travels the world on a range of holidays and finds that behind the sunny facade of pools, smiling locals, sightseeing trips and exquisite cuisine is an ugly reality and it is spreading unchecked to all corners of the globe. But none of us are going to stop holidaying and at the heart of this is a heartfelt attempt to discover the best way to holiday wherever you are.