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An Olympic-size swimming pool holds over 2 acre-feet of water For larger volumes of liquid, one measure commonly used in the media in many countries is the Olympic-size swimming pool. [50] A 50 m × 25 m (164 ft × 82 ft) Olympic swimming pool, built to the FR3 minimum depth of 2 metres (6.6 ft) would hold 2,500 m 3 (660,000
Dalem Gate. It is generally assumed that Gorinchem was founded c. 1000 AD by fishermen and farmers on the raised land near the mouth of the river Linge at the Merwede. Goriks Heem ("Home of Gorik" in early Middle Dutch) is first mentioned in a document from 1224 in which Floris IV granted people from Gorinchem exemption of toll payments throughout Holland.
A single concrete block, as used for construction. Concrete is a composite material composed of aggregate bonded together with a fluid cement that cures to a solid over time. . Concrete is the second-most-used substance in the world after water, [1] and is the most widely used building material
The earliest structures now known to be the tallest in the world were the Egyptian pyramids: the Great Pyramid of Giza, at an original height of 146.5 m (481 ft), was the tallest structure in the world for over 3,800 years, until the construction of Lincoln Cathedral in 1311.
A diagram of an anchored spar buoy. A spar buoy is a tall, thin buoy that floats upright in the water and is characterized by a small water plane area and a large mass. . Because they tend to be stable ocean platforms, spar buoys are popular for making oceanographic measu
The first dramatic performances likely took place in the Agora where it is recorded that the wooden bleachers set up for the plays (ikria) collapsed. [10] This disaster perhaps prompted the removal of dramatic production to the Sanctuary of Dionysus on the Akropolis, which took place by the time of the 70th Olympiad in 499/496 BC. [11]
The second-tallest structure in Nevada is the Moapa Entravision Tower at Moapa, a 426.7 m (1,400 ft) tall guyed TV mast at Moapa erected in 2008, the third-tallest is the 401 m (1,316 ft) tall Moapa Kemp Tower at Moapa, the fourth-tallest is Stratosphere Tower near downtown Las Vegas, which was erected in 1994–96 and reaches 1,149 ft (350 m ...
The base is 4 cubits (2.1 m; 6.9 ft) wide, but after two courses – at a height of 2.29 metres (7.5 ft) – the blocks of stone in the walls are corbelled inwards by 6–10 centimetres (2.4–3.9 in) on each side. [99] There are seven of these steps, so, at the top, the Grand Gallery is only 2 cubits (1.0 m; 3.4 ft) wide.