sentences:  In the Late Classic (c. AD 600–900) the city developed with major construction projects taking place across the city centre, especially during the 8th century; the twin pyramid complex is an example of one of the major construction projects undertaken at this time.At this time the city became an important trading centre to the southeast of the great city of Tikal.During the Late Classic the city fought several wars against the neighbouring city of Naranjo, which had eclipsed Yaxha in power but was never able to complete dominate it.