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(so͝od), swampy region, c.200 mi (320 km) long, and c.150 mi (240 km) wide, central South Sudan, E central Africa. It is fed by the Bahr el Jebel, the Bahr el Ghazal, and the Bahr el Arab, headwaters of the Nile. Thick aquatic vegetation (sudd) disperses the river water into numerous channels. About half the water is lost through evaporation and absorption before leaving the Sudd.

The vegetation hinders navigation and long barred attempts to trace the Nile to its source. An Egyptian expedition first succeeded in crossing the Sudd in 1840. It took much effort to clear (1899–1903) a channel for regular navigation, and constant maintenance is necessary to keep it open. Construction on a canal to circumvent the Sudd and drain swampland for agriculture began in 1978 but was suspended in 1983.

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The rest of the founding names are labels referring to either geographical features that were of navigational value to the early European explorers (Namib desert, Mt Kenya, the rivers Niger, Congo and Gambia; the upper part of the Volta river, lakes Chad and Nyasa (translating to "lake" for Bantu-speakers, the Sudd swamps of Sudan, the Zambesi river, etc).
Everything is authentic, from the Dinka wrestling, the ash-covered faces in a cattle camp, to the floating villages that inhabit the Sudd swamps.

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