Kaieteur Falls combination of height and water volume, and Kaieteur is among the most powerful waterfalls in the world with an average flow rate of 663 cubic metres per second (23,400 cubic feet per second). Kaieteur Falls is about four times higher than Niagara Falls, on the border between Canada and the United States, and about twice the height of Victoria Falls, on the border of Zambia and Zimbabwe in Africa. It is a single drop waterfall. Upriver from the falls, the Potaro Plateau stretches out to the distant escarpment of the Pakaraima Mountains. The Potaro River empties into the Essequibo River
Navies of landlocked countries Navies of landlocked countries A landlocked navy is a naval force operated by a country which does not have a coastline. While such states are obviously unable to develop a sea-going, blue-water navy, they may still deploy armed forces on major lakes or rivers. There are several reasons a landlocked country may choose to maintain a navy. If a river or lake forms a national border, countries may feel the need to protect and patrol that border with a military force. In some regions, roads may be unreliable or circuitous, and a river or lake may be the easiest way