Madrid's last iron market (1916) became Spain's most famous tasting hall: beneath wrought iron and glass, thirty counters of oysters, Iberian delicacies and sweets — eaten standing, roaming like locals. For Muslim visitors the seafood, oyster, seafood-paella and dessert counters are the treasure — skip the famous jamón stands; early afternoon calms the shoulder-to-shoulder night; a full grazing run costs ~€20-30, the joy in roaming.