<P> The Great Hypostyle Hall is located within the Karnak temple complex, in the Precinct of Amon - Re . It is one of the most visited monuments of Ancient Egypt . The structure was built around the 19th Egyptian Dynasty (c. 1290--1224 BC). Its design was initially instituted by Hatshepsut, at the North - west chapel to Amun in the upper terrace of Deir el - Bahri . The name refers to hypostyle architectural pattern . </P> <P> The Great Hypostyle Hall covers an area of 5,000 m (54,000 sq ft). The roof, now fallen, was supported by 134 columns in 16 rows; the 2 middle rows are higher than the others (being 10 metres (33 ft) in circumference and 24 metres (79 ft) high). </P>

Who began the building of the great hypostyle hall at karnak