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The Dutch aquarium employs a lush arrangement in which multiple types of plants having diverse leaf colors, sizes, and textures are displayed much as terrestrial plants are shown in a flower garden. This style was developed in the Netherlands starting in the 1930s, as freshwater aquarium equipment became commercially available. [ 1 ]
Stygofauna have adapted to the limited food supply and are extremely energy efficient. Stygofauna feed on plankton, bacteria, and plants found in streams. [2] Orconectes australis, a cave crayfish. To survive in an environment where food is scarce and oxygen levels are low, stygofauna often have very low metabolism. As a result, stygofauna may ...
The longships were characterized as graceful, long, narrow, and light, with a shallow-draft hull designed for speed.The ship's shallow draft allowed navigation in waters only one meter deep and permitted arbitrary beach landings, while its light weight enabled it to be carried over portages or used bottom-up for shelter in camps.
The method of fastening the planking to the frames above the waterline is by iron rivets in the form of iron nails driven from outside and then turned over a cinch plate on the inside. [11] The lowest nine planks on each side of the keel up to the around the waterline are held to the frames by the archaic method of tying using withies. These ...
As of 2016 the entrance to the cave system leads through La Garma A, [4] as the only entrance into the cave system. [1] It lies at 80 m (262 ft) above sea level and has an extensive stratigraphy, containing Aurignacian, Gravettian, Solutrean, and Magdalenian layers, as well as Mesolithic, Neolithic, Chalcolithic, Bronze Age, and Middle Ages layers.
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Fugoppe Cave is an archaeological site in Hokkaido, Japan, dating from the Jōmon period. It is located on a hillside known as Maruyama in the town of Yoichi. Along with the nearby Temiya Cave in Otaru City, it is one of only two significant petroglyph sites in Japan. [1] Reconstruction of one of the figures in Fugoppe Cave, at the onsite museum
The Hugin in 1949 The Hugin in the sluices of IJmuiden, the Netherlands (1949). The Hugin is a reconstructed longship located at Pegwell Bay in Kent, England.It was a gift from the Danish government commemorating the 1500th anniversary of the arrival of Hengist and Horsa, leaders of the Anglo-Saxon invasion, at nearby Ebbsfleet.