Same same, but different

Mum, can I go to Greenland?' I was just seventeen years old when I first got the travelling bug. I was at school, in the first year of my A-levels and had no real idea what I wanted to do with my life. I'd never been further than the South of France on holiday with my parents and that was quite exotic considering the years of caravanning on the Isle of Wight and Cornwall.
Then one day as I sat looking out onto the rest of the school and listening to another boring assembly, something caught...