MetaBallStudios | 🚧 UNDERGROUND Comparison 🚧 (3D) @MetaBallStudios | Uploaded February 2022 | Updated October 2024, 1 day ago.
These are the DEEPEST underground STRUCTURES, represented on a real scale, mines, caves, cities, tunnels, installations, etc.

Note: Depth is measured from the lowest point to the surface, not to sea level.

🎵MUSIC: ALGO by Iker Jiménez
Link: youtu.be/vSqS02k-6bE

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$RIVERS Size Comparison ► 3D animation Hello everyone.This video shows the length of some rivers. The width is not to scale. Does not include river systems. ◄Definition of length► The length of a river is not always easy to calculate. It depends on the identification of the source, the identification of the mouth, and the precise measurement of the river length between source and mouth. As a result, the length measurements of many rivers are only approximations. In particular, there has for long been disagreement whether the Amazon or the Nile is the worlds longest river. The source of a river may be hard to determine because a river typically has many tributaries. Among the many sources, the one that is farthest away from the mouth is considered as the source of the river, thus giving a maximal river length. In practice, the tributary with the farthest source is not always the one given the name of the river. For example, the farthest source of the Mississippi River system is the source of the Missouri River; but a different tributary is identified as the Mississippi. When the river is measured from mouth to farthest source, it is called the Mississippi-Missouri. Also, it is hard to state exactly where a river begins as very often rivers are formed by seasonal streams, swamps, or changing lakes. In this article, length means the length of the river system. The mouth of a river may be hard to determine in cases where the river has a large estuary that gradually widens and opens into the ocean; examples are the Amazon River and the Saint Lawrence River. Some rivers do not have a mouth, instead they evaporate, and the exact point where the river ends will vary seasonally. The length of a river between source and mouth may be hard to determine because of a lack of precise maps. In these cases, the measured length of a river will depend on the scale of the map on which the measurement is based; in general, due to the fractal quality of a river, the larger the scale, the longer the resulting length measurement. This issue was discovered by Lewis Fry Richardson and also applies when measuring borders between countries and coastlines. Ideally, length measurements should be based on maps that are of a large enough scale to show the width of the river. Even when precise maps are available, the length measurement is not always clear. A river may have multiple arms. It may depend on whether the centre or the edge of the river is taken as reference point. It may not be clear how to measure the length through a lake: this may also vary by season. These points make it difficult, if not impossible, to get a precise measurement of the length of a river or stream. 🎵Music: The miracle off light by @ScottBuckley - released under CC-BY 4.0. www.scottbuckley.com.au 📝Sources: https://en.wikipedia.org/wiki/Nile https://en.wikipedia.org/wiki/Amazon_River https://en.wikipedia.org/wiki/Yangtze https://en.wikipedia.org/wiki/Mississippi_River https://en.wikipedia.org/wiki/Yenisey https://en.wikipedia.org/wiki/Yellow_River https://en.wikipedia.org/wiki/Irtysh https://en.wikipedia.org/wiki/Paran%C3%A1_River https://en.wikipedia.org/wiki/Congo_River https://en.wikipedia.org/wiki/Amur https://en.wikipedia.org/wiki/Volga https://en.wikipedia.org/wiki/Rio_Grande https://en.wikipedia.org/wiki/Ganges https://en.wikipedia.org/wiki/Colorado_River https://en.wikipedia.org/wiki/Tigris https://en.wikipedia.org/wiki/Senegal_River https://en.wikipedia.org/wiki/Brazos_River https://en.wikipedia.org/wiki/Rhine https://en.wikipedia.org/wiki/Vistula https://en.wikipedia.org/wiki/Seine https://en.wikipedia.org/wiki/River_Thames https://en.wikipedia.org/wiki/Manzanares_(river) https://en.wikipedia.org/wiki/Singapore_River https://en.wikipedia.org/wiki/Nautley_River https://en.wikipedia.org/wiki/Roe_River My websites ●MBSarmy: https://www.youtube.com/channel/UCQwFuQLnLocj5F7ZcmcuWYQ/join ○Instagram: https://www.instagram.com/metaballstudios_official ○Twitter: https://twitter.com/MetaBallStudios ○Facebook: https://www.facebook.com/metaballstudios/$

🚧 UNDERGROUND Comparison 🚧 (3D) @MetaBallStudios