Impossible Repairs : The Potash Expressbr Impossible Repairs: The Potash Expressbr Impossible Repairsbr The Potash Expressbr Impossible Repairsbr Series 1 Episode 2: The Potash Expressbr Go on an incredible journey across Lithuania on big trains packed to the brim. On the coast a fleet of gaints ships eagerly wait to collect their bounty and take it across the ocean.