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Mudbrick or mud-brick, also known as unfired brick, is an air-dried brick, made of a mixture of mud (containing loam, clay, sand and water) mixed with a binding material such as rice husks or straw. Mudbricks are known from 9000 BCE. From around 5000–4000 BCE, mudbricks evolved into fired bricks to increase strength and durability.
Bronze. Bronze is an alloy consisting primarily of copper, commonly with about 12–12.5% tin and often with the addition of other metals (including aluminium, manganese, nickel, or zinc) and sometimes non-metals, such as phosphorus, or metalloids, such as arsenic or silicon. These additions produce a range of alloys that may be harder than ...
August 5, 1998. Cape Hatteras Light is a lighthouse located on Hatteras Island in the Outer Banks in the town of Buxton, North Carolina and is part of the Cape Hatteras National Seashore. [2] [3] [4] It is the tallest lighthouse in the U.S. from base to tip at 210 feet. The lighthouse's semi-unique pattern makes it easy to recognize and famous.
Marble. Marble is a metamorphic rock consisting of carbonate minerals (most commonly calcite (CaCO 3) or dolomite (CaMg (CO 3) 2 )) that have recrystallized under the influence of heat and pressure. [ 1] It has a crystalline texture, and is typically not foliated ( layered ), although there are exceptions. In geology, the term marble refers to ...
15 July 1851 (1851-07-15) Location. The Göltzsch Viaduct (German: Göltzschtalbrücke, pronounced [ˈɡœlt͡ʃtaːlˌbʁʏkə] ⓘ) is a railway bridge in Germany. It is the largest brick-built bridge in the world, and for a time it was the tallest railway bridge in the world. It spans the valley of the Göltzsch River between the Reichenbach ...
Starting from the late Bronze Age, a peculiar type of circular structure with a central basin and benches located all around the circumference of the room start to appear in Nuragic settlements, the best example of this type of structure is the ritual fountain of Sa Sedda e Sos Carros, near Oliena, where thanks to a hydraulic implant of lead ...
Biltmore Estate is a historic house museum and tourist attraction in Asheville, North Carolina.Biltmore House (or Biltmore Mansion), the main residence, is a Châteauesque-style mansion built for George Washington Vanderbilt II between 1889 and 1895 [2] and is the largest privately owned house in the United States, at 178,926 sq ft (16,622.8 m 2) of floor space and 135,280 sq ft (12,568 m 2 ...
The Ring of Brodgar (or Brogar, or Ring o' Brodgar) is a Neolithic henge and stone circle in Mainland, Orkney, Scotland. It is the only major henge and stone circle in Britain which is an almost perfect circle. Most henges do not contain stone circles; Brodgar is a striking exception, ranking with Avebury and Stonehenge among the greatest of ...