Complex sentence: Within the inner wall there are two mosques, a palace or Sheikh's house, four large houses, several clustered houses, and four large pillar tombs comprising the urban core, while the inner wall also encloses within its structure four houses and three mosques.
Split into simpler sentences: Within the inner wall there are two mosques, a palace or Sheikh's house, four large houses, several clustered houses, and four large pillar tombs comprising the urban core. The inner wall also encloses within its structure four houses and three mosques.