You can watch the dollars trickling down at the new farmers' markets during the day. Cubans of all varieties browse the plentiful produce and pay unregulated prices, but you can tell who has access to dollars-- jineteras, for instance-- by who's buying the most meat.The markets have bicycle parking lots, complete with an attendant. The gas shortage has everybody riding bikes, including the minister of foreign affairs. Even in the tropical heat, they're more comfortable than the crowded city buses (known as camels because they have two humps). The horrific experience of riding these buses has inspired a huge government sponsored mural that borrows from Picasso's "Guernica." The artist has given Picasso's barnyard war scene wheels and a crazed Cuban bus driver.