 Sunshine is subdued in Panama because it lies in the Intertropical Convergence Zone, where there is a nearly continual cloud formation, even during the dry season.Panama's old quarter (or Casco Viejo, Panama) features many architectural styles, from Spanish colonial buildings to French and Antillean townhouses built during the construction of the Panama Canal.The more modern areas of the city have many high-rise buildings, which together form a very dense skyline.