Add to ORKGPhotographs show food vendors (''chili queens'') in their stands, customers seated at tables, spectators (including Anglo Americans and an African-American), and musicians playing for them. L-1433-G is an open-air stand; the others are in canvas tents.''Progress threatens Haymarket Plaza. Some of the picturesqueness of San Antonio's Haymarket Plaza may go with the installation of flood lights to replace old-fashioned lanterns in use for years at the chili stands. The city commission has asked for bids for the installation of flood lights. Mexican women bring their supplies and tables to the place each evening, set them up, along with a crude stove, and use lanterns for illumination. Picture shows a typical chili stand...as snapped by Ja...