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Rock balancing (also stone balancing, or stacking) is a form of recreation or artistic expression in which rocks are piled in balanced stacks, often in a precarious manner. Conservationists and park services have expressed concerns that the arrangements of rocks can disrupt animal habitats, accelerate soil erosion, and misdirect hikers in areas ...
"whether these stone structures are massive or small structures, stacked, stone rows, or effigies, these prayers in stone are often mistaken by archaeologists and State Historic Preservation Officers (SHPOs) as the efforts of farmers clearing stones for agricultural or wall building purposes"
A cost estimate is the approximation of the cost of a program, project, or operation. The cost estimate is the product of the cost estimating process. The cost estimate has a single total value and may have identifiable component values. A problem with a cost overrun can be avoided with a credible, reliable, and accurate cost estimate. A cost ...
In July 2005, a 50-metre-tall (160 ft) stack collapsed, leaving eight standing at the Twelve Apostles' viewpoint. [2] Due to wave action eroding the cliffs, existing headlands are expected to become new limestone stacks in the future. [5]
Stacked rock features have been noted to have religious significance to the Klamath and Modoc Tribes of indigenous people of the Western United States, the respective tribes prohibiting photography of or touching the stone formations. These cairn-like structures are noted to be constructed for ritual and prayer purposes.
Dry stone shelter at Tales, Plana Baixa, Valencia, Spain, with its entrance topped by two slabs pitted against each other to form a triangular arch Another variation is the Cornish hedge or Welsh clawdd , which is a stone-clad earth bank topped by turf, scrub, or trees and characterised by a strict inward-curved batter (the slope of the "hedge").