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The Three Counties System became the longest cave in the UK when cavers succeeded in clearing a route through a boulder choke for 140 metres (460 ft) to connect two known cave systems, an exercise that took three years. [3] Boulder chokes can be hazardous, as unstable boulders can unexpectedly move, potentially crushing or trapping cavers. [4]
The Ambadevi rock shelters are part of an extensive cave site, where the oldest yet known traces of human life in the central province of the Indian subcontinent were discovered. The site is located in the Satpura Range of the Gawilgarh Hills in Betul District of the Indian state of Madhya Pradesh , north of Dharul village in Amravati district ...
Bolt's Farm is located about 3 km (1.9 mi) southwest of the Sterkfontein archaeological site and is located in the southwestern corner of the Cradle of Humankind World Heritage Site. The site is carved out of the Malmani Subgroup of the Transvaal Supergroup , which formed during the Palaeoproterozoic era around 2.6–2.4 billion years ago under ...
The Great Fish Market, painted by Jan Brueghel the Elder. Fishing is a prehistoric practice dating back at least 70,000 years. Since the 16th century, fishing vessels have been able to cross oceans in pursuit of fish, and since the 19th century it has been possible to use larger vessels and in some cases process the fish on board.
The line weight of a fishing rod describes the optimal tension along the fishing line the rod is designed to handle, usually expressed in pounds or kilograms. A fishing line's "breaking weight" describes the maximum tensile force that can be exerted before the line breaks apart, while the line weight for a rod describes as the extent of bending ...
In Britain, the wolf Canis lupus was the only canid species present from Marine Isotope Stage 7 (243,000 years before present), with the oldest record from Pontnewydd Cave. [ 4 ] The site is also important for its mammoth steppe fauna, such as reindeer and woolly rhinoceros , dating to between around 41,000 and 28,000 years ago.
Caving in a muddy section of Black Chasm Cave in California Stephens Gap, a vertical cave in Alabama. Caving, also known as spelunking (United States and Canada) and potholing (United Kingdom and Ireland), is the recreational pastime of exploring wild cave systems (as distinguished from show caves).
Must Farm is a Bronze Age archaeological site consisting of five houses raised on stilts above a river and built around 950 BC in Cambridgeshire, England. [1] The settlement is exceptionally well preserved because of its sudden destruction by catastrophic fire and subsequent collapse onto oxygen-depleted river silts .