The Arena of Nîmes is a Roman amphitheatre built around AD 70. It was remodelled in 1863 to serve as a bullring. The Arenas of Nîmes is the site of two annual bullfights during the Feria de Nîmes, and it is also used for other public events. The building encloses an elliptical central space 133 m long by 101 m wide. It is ringed by 34 rows of seats supported by a vaulted construction. It has a capacity of 16,300 spectators.
As the Roman Empire fell, the amphitheatre was fortified by the Visigoths and was surrounded by a wall. During the turbulent years that followed the collapse of Visigoth power in Hispania and Septimania, not to mention the Muslim invasion and subsequent conquest by the French kings in the mid eighth century, the viscounts of Nîmes constructed a fortified palace within the amphitheater. In 737, after failing to seize Narbonne, Charles Martel destroyed a number of Septimanian cities on his way north, including Nîmes and its amphitheatre, as asserted in the Continuations of Fredegar. Later a small neighbourhood developed within its confines, complete with one hundred denizens and two chapels. Seven hundred people lived within the amphitheatre during the apex of its service as an enclosed community. The buildings remained in the amphitheatre until the eighteenth century, when the decision was made to convert the amphitheatre into its present form.
References:The Chapel of St. Martin is the only completely preserved Romanesque building in Vyšehrad and one of the oldest in Prague. In was built around 1100 in the eastern part of the fortified outer ward. Between 1100 and 1300, the Rotrunda was surrounded by a cemetery. The building survived the Hussite Wars and was used as the municipal prison of the Town of the Vyšehrad Hill.
During the Thirty Years’ War, it was used as gunpowder storage, from 1700 to 1750, it was renovated and reconsecrated. In 1784, the chapel was closed passed to the military management which kept using it as a warehouseand a cannon-amunition manufacturing facility. In 1841, it was meant to be demolished to give way to the construction of a new road through Vyšehrad. Eventually, only the original western entrance was walled up and replaced with a new one in the sountren side. The dilapidating Rotunda subsequently served as a shelter for the poor.