Conquered by Scipio Africanus in 203 BC, Bulla Regia was retaken as the capital of Numidia in 156 BC. It came under direct Roman control in 46 BC.
From Schoder's lecture notes:
BULLA REGIA: pre-Roman. Prosperous during Empire.
House of Hunt mos. fr. above: cool rooms below id: subterranean rooms
X id. opening to air