Complex sentence: The internal courtyard of the museum is the home of huge basaltic statues of ancient Hittite and Roman mythological characters and a big third-century mosaic figure, while in the front courtyard, monuments of Assyrian, Aramaic, Byzantine and Arabic origins are exhibited.
Split into simpler sentences: The internal courtyard of the museum is home to huge basaltic statues of ancient Hittite and Roman mythological characters and a big third-century mosaic figure. At the external courtyard, monuments of Assyrian, Aramaic, Byzantine and Arabic civilizations are exhibited.