We knew it was going to be a long day but didn't anticipate it being quite as bad as it was. After waiting for the bus to pick us up at 7.15 we eventually left Sihanoukville at about 8.30. The bus took us north then west between the coast and the Cardamon Mountains heading for the narrow strip of Thailand that pokes into Cambodia. All good so far. However at the top of a hill there was a bang a