Sehel Island Sehel Island Sehel Island is located in the Nile, about southwest of Aswan in southern Egypt. It is a large island, and is roughly halfway between the city and the upstream Aswan Low Dam. Sehel Island, spanning 3/4 the width of the Nile, is the primary large island below the Nile's First Cataract and the Aswan Low Dam (1902). Following downriver, the next major islands after Sehel are: Saluga, Ambunarti, Elephantine, and then Kitchener's Island. There are a dozen smaller islands scattered around them. The island was known in ancient tiles as "Setet", and there are many archaeological sites, including
Tsiazompaniry Dam Tsiazompaniry Dam The Tsiazompaniry Dam is a buttress dam on the Varahina-South River, a tributary of the Ikopa River, near Tsiazompaniry in the Analamanga Region of Madagascar. The dam was constructed by a French firm in 1956. It creates Lake Tsiazompaniry, the largest reservoir in the country, which has a surface area of and a storage volume of . A second buttress dam, northwest of the main dam helps withhold the reservoir. Water released from the dam supplies a regulated flow to hydroelectric power station at the Antelomita Dam downstream. Efforts to install a 5.25 MW power station at the