Most people choose to visit Torres del Paine by foot.  While Chile's Southern Patagonian national park draws crowds of hiking enthusiasts keen to take on the 4-day 'W' trekking circuit, or, more challenging still, the 10-day 'full circuit', I'm ashamed to say I chose the lazy option: short on time and energy, I opted for a day-long bus tour taking in the park's main features instead.When I say lazy... our ...