Original: This includes the well-known cities of Tikal , Palenque , CopÃ n and Calakmul , but also the lesser known Dos Pilas , Uaxactun , Altun Ha , and Bonampak , among others .
Simplified: Well-known cities were Tikal , Palenque , CopÃ n and Calakmul . Lesser-known cities were Dos Pilas , Uaxactun , Altun Ha , and Bonampak , among others .