In a city as culturally and artistically rich as San Antonio, the approach of the holiday season also means the return of festive holiday art markets, where local vendors hawk their wares and shoppers can peruse gifts unavailable at big box retailers. Consider skipping the long Black Friday lines, and hit one — or a few — of these local markets so you can present those you care about with something thoughtful and one-of-a-kind.  Zonarte: El Mercado de Aztlan