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The lake is situated within the caldera of the Sete Cidades Massif, an ancient volcano built on various layers of ash, pyroclasts and trachyte and basaltic lavas.It is a stratovolcano constructed from alternating phases of explosive and effusive ejecta, from dominantly basaltic pre-caldera eruptions, a trachytic caldera-forming stage and a post-caldera stage consisting of alternating trachytic ...
Argentine Water and Sanitation (Spanish: Agua y Saneamientos Argentinos, mostly known for its acronym AySA) is a state-owned company of Argentina dedicated to supplying the public with running water and sewer services.
High Bridge in 1849, part of the Old Croton Aqueduct, the city's first water supply system. A combination of aqueducts, reservoirs, and tunnels supplies fresh water to New York City.
However, Chile has an innovative system of means-tested subsidies that allows qualifying poor households to receive a subsidy administered by the municipalities to pay parts of their water and sanitation bills. Rural water systems receive a partial investment subsidy that is defined in the Ley del Subsidio al Agua Potable y Saneamiento. [29]
Asset management; Appropriation; Lindahl tax; Build–operate–transfer; Design–bid–build; Design–build; Earmark; European green infrastructure; Fixed cost
Sistema Ox Bel Ha (Spanish: sistema, lit. 'system', Yucatec Maya: ox bel ha, lit. 'Three Paths of Water'; short Ox Bel Ha) is a cave system in Quintana Roo, Mexico.It is the longest explored underwater cave in the world [3] and ranks second including dry caves.
The park extends north and south, following a line of volcanic peaks. Popocatépetl is the southernmost peak, the highest in the park at 5,426 m (17,802 ft), and the second-highest in Mexico. It is volcanically active, with the latest eruptive period extending f
A girl collects clean water from a communal water supply in Kawempe, Uganda.. Water supply is the provision of water by public utilities, commercial organisations, community endeavors or by individuals, usually via a system of pumps and pipes.