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:House of the Blackheads (Melngalvju nams) is a building situated in the old town of Riga. The original building was erected during the first third of the 14th century for the Brotherhood of Blackheads, a guild for unmarried German merchants in Riga. Major works were done in the years 1580 and 1886, adding most of the ornaments.
The structure was bombed to a ruin by the Germans June 28, 1941 and the remains demolished by the Soviets in 1948. The current reconstruction was erected from 1995 to 1999. Today the House of Blackheads serves as a museum and sometimes concert hall.