Suspended over the Las Pegasus Reservoir was an expansive cloud house of the kind preferred by Cloudsdale-born Pegasi.  The City Council didn't mind the placement so much; in fact, they were more than willing to encourage it once they figured out how much the shade prevented water loss from evaporation, not to mention the lack of strain on the city's own infrastructure, still undergoing a barely-sustainable rate of expansion.     Not that such considerations were foremost in Sky Sailin