belem tower in the bank of the targus river (belem, portugal)

age armillary arruada atlantic avenida bartizans bastion battle battlement belem brasilia capital city de defense discovery europe fortification fortified francisco gothic heritage iberia iberian ii joao john king late limestone lisboa lisbon manuelian manueline maria metropolis moorish ocean of parapets peninsula portugal protection rhinoceros river saint santa sea site spheres stronghold style tagus targus the tourism tourist tower turrets unesco vincent watchtower world