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The plumbing and sewerage systems were formed by early hydro-engineers to allow water and sanitation within the city. These systems were effectively used and maintained by ancient Harappan residents. [9] Dams were hydro-structure built along the Indus River for water management purposes such as collecting, storing and diverting water. [15]
Such, through prolonged ages, after the gens appeared, was the substantially universal organization of ancient society; and it remained among the Greeks and Romans after civilization supervened. The second is founded upon territory and upon property, and may be distinguished as a state (civitas).
Decisions during this phase should be made with the consideration of the cultural and historical value of the site prior to conservation intervention. Reburial: In the instance that leaving a site exposed may cause it further harm, a decision is made to rebury the site. [4] These phases may be repeated and may occur in a different order.
Most houses of Indus Valley were made from mud, dried mud bricks, or clay bricks of a standardised size. The urban areas of the Indus Valley civilization included public and private baths. Many of the buildings at Mohenjo-Daro had two or more stories. They also had a sophisticated drainage system to dispose waste materials out of town.
Horses were by far the most important animal to the ancient Mongols. Not only were they fairly self-sufficient, but they were hardy and fast. Smaller than most, these animals could travel long distances without fatigue. They were also well adapted to the harsh winters and dug through the snow looking for grass to feed off of.
Agriculture was another very important part of the Mesopotamian economy. The agricultural trade extended to Anatolia and Iran. [19] Sheep, pig, cattle herding as well as cereal were important parts of Sumerian agriculture. It also depended on maintenance of irrigation canals. A centralized organization was established to manage agriculture.
One of the cities within this civilization, Ur, was the first literate society in history. Eventually, they constructed irrigation systems to exploit the two rivers, transforming their dry land into an agriculturally productive area, allowing population growth throughout the cities and states within Mesopotamia.
Landscape resulting from the ruina montium mining technique at Las Médulas, Roman Spain, one of the most important gold mines in the Roman Empire. The main mining regions of the Empire were Spain (gold, silver, copper, tin, lead); Gaul (gold, silver, iron); Britain (mainly iron, lead, tin), the Danubian provinces (gold, iron); Macedonia and Thrace (gold, silver); and Asia Minor (gold, silver ...