Greek towns of substantial size also had other types of public buildings, among the most important being: altars (for blood sacrifice rituals), theaters (for dramatic performances), bouleuterion (the council building), gymnasium (training centers for athletes), palaestra (exercise facility for the training of wrestlers), stadium (foot races at sacred games), stoa (covered walkway for citizens), fountain houses (supply of clean drinking water), agora (marketplace to trade and acquire goods), thermae (public bathrooms), hippodrome (for horse racing) and more.