In this June 20, 2011 file photo, a man checks the engine of his water cistern truck in Old Havana.
In this June 20, 2011 file photo, a man checks the engine of his water cistern truck in Old Havana. Javier Galeano AP
In this June 20, 2011 file photo, a man checks the engine of his water cistern truck in Old Havana. Javier Galeano AP