Description
Underground cavities created by humans can collapse due to a lack of stability and cause a collapse funnel on the earth's surface, especially if there is little overlap. Reasons for the creation of underground cavities are facilities for mining, water management or defense, as well as for the storage of commercial goods and other things.
Resources
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21 |
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https://www.geoportal.rlp.de/mapbender/php/mod_exportIso19139.php?url=https%3A%2F%2Fwww.geoportal.rlp.de%2Fmapbender%2Fphp%2Fmod_dataISOMetadata.php%3FoutputFormat%3Diso19139%26id%3Dd15f70de-c371-bf1b-6a8e-d5e97e133e91 |