looking at photos like these scares and fascinates me in equal doses. the sheer scale of these holes reminds you of just how tiny you are.
Mirny diamond mine, Siberia
![](http://content57991.clipmarks.com/image_cache/haraya/512/5C6E4B8D-4C26-4676-8315-131F8332455E.jpg)
![](http://content57991.clipmarks.com/image_cache/haraya/512/C4261514-9B90-462C-9C49-A13E878885A2.jpg)
![](http://content57991.clipmarks.com/image_cache/haraya/512/A297F603-EDC3-4C09-9E18-70178CE3DCC5.jpg)
largest open diamond mine in the world
Kimberley big hole - south Africa
![](http://content57991.clipmarks.com/image_cache/haraya/512/B0D1F1C3-2508-4F48-A4E6-F9C8D323BBDC.jpg)
![](http://content57991.clipmarks.com/image_cache/haraya/512/80303534-57A4-4CA4-8D96-666F516A547C.jpg)
the largest ever hand-dug excavation in the world
glory hole - Monticello dam
a glory hole is used when a dam is at full capacity and water needs to be drained from the resevoir.
![](http://content57991.clipmarks.com/image_cache/haraya/512/988C502D-B6E4-4600-A53B-8CDFE598C7AD.jpg)
![](http://content57991.clipmarks.com/image_cache/haraya/512/75A834AE-67C1-4AE5-8156-A416AB42A9A4.jpg)
![](http://content57991.clipmarks.com/image_cache/haraya/512/93608D18-B66D-4D4A-94B8-6EF37F396D6B.jpg)
![](http://content57991.clipmarks.com/image_cache/haraya/512/4185A65D-7AFC-4AF9-A81E-E521C257013B.jpg)
bingham canyon mine, utah
supposedly the largest man-made excavation on earth
![](http://content57991.clipmarks.com/image_cache/haraya/512/388B0999-6B26-4A55-871B-61AACE318D74.jpg)
![](http://content57991.clipmarks.com/image_cache/haraya/512/4000993B-318C-47D0-8898-D426E9E5C0D9.jpg)
great blue hole, belize
there are numerous blue holes around the world but none as stunning as this one.
![](http://content57991.clipmarks.com/image_cache/haraya/512/9C9289B3-B165-4B0D-A48A-4FA8A30F9077.jpg)
![](http://content57991.clipmarks.com/image_cache/haraya/512/C9978717-24E5-4B9A-8443-A4BB41AB772D.jpg)
diavik mine, canada
![](http://content57991.clipmarks.com/image_cache/haraya/512/C46A0DA0-76DA-4438-B767-190DC23419FE.jpg)
![](http://content57991.clipmarks.com/image_cache/haraya/512/9CE9FBFE-0C8A-4F33-8241-5F683543F35A.jpg)
sinkhole, guatemala
![](http://content57991.clipmarks.com/image_cache/haraya/512/4F75ECD3-BA7B-4DFE-985D-56F8B1544757.jpg)
![](http://content5.clipmarks.com/image_cache/haraya/512/526BB178-662F-40AF-A5A9-CA8035405FB1.jpg)
![](http://content5.clipmarks.com/image_cache/haraya/512/E5CC06A2-E816-4E56-9106-3186B65BE4F9.jpg)
a sinkhole is caused when water (usually rainwater or sewage) is soaked up by the earth on a large scale, resulting in the ground collapsing.
Mirny diamond mine, Siberia
![](http://content57991.clipmarks.com/image_cache/haraya/512/5C6E4B8D-4C26-4676-8315-131F8332455E.jpg)
![](http://content57991.clipmarks.com/image_cache/haraya/512/C4261514-9B90-462C-9C49-A13E878885A2.jpg)
![](http://content57991.clipmarks.com/image_cache/haraya/512/A297F603-EDC3-4C09-9E18-70178CE3DCC5.jpg)
largest open diamond mine in the world
Kimberley big hole - south Africa
![](http://content57991.clipmarks.com/image_cache/haraya/512/B0D1F1C3-2508-4F48-A4E6-F9C8D323BBDC.jpg)
![](http://content57991.clipmarks.com/image_cache/haraya/512/80303534-57A4-4CA4-8D96-666F516A547C.jpg)
the largest ever hand-dug excavation in the world
glory hole - Monticello dam
a glory hole is used when a dam is at full capacity and water needs to be drained from the resevoir.
![](http://content57991.clipmarks.com/image_cache/haraya/512/988C502D-B6E4-4600-A53B-8CDFE598C7AD.jpg)
![](http://content57991.clipmarks.com/image_cache/haraya/512/75A834AE-67C1-4AE5-8156-A416AB42A9A4.jpg)
![](http://content57991.clipmarks.com/image_cache/haraya/512/93608D18-B66D-4D4A-94B8-6EF37F396D6B.jpg)
![](http://content57991.clipmarks.com/image_cache/haraya/512/4185A65D-7AFC-4AF9-A81E-E521C257013B.jpg)
bingham canyon mine, utah
supposedly the largest man-made excavation on earth
![](http://content57991.clipmarks.com/image_cache/haraya/512/388B0999-6B26-4A55-871B-61AACE318D74.jpg)
![](http://content57991.clipmarks.com/image_cache/haraya/512/4000993B-318C-47D0-8898-D426E9E5C0D9.jpg)
great blue hole, belize
there are numerous blue holes around the world but none as stunning as this one.
![](http://content57991.clipmarks.com/image_cache/haraya/512/9C9289B3-B165-4B0D-A48A-4FA8A30F9077.jpg)
![](http://content57991.clipmarks.com/image_cache/haraya/512/C9978717-24E5-4B9A-8443-A4BB41AB772D.jpg)
diavik mine, canada
![](http://content57991.clipmarks.com/image_cache/haraya/512/C46A0DA0-76DA-4438-B767-190DC23419FE.jpg)
![](http://content57991.clipmarks.com/image_cache/haraya/512/9CE9FBFE-0C8A-4F33-8241-5F683543F35A.jpg)
sinkhole, guatemala
![](http://content57991.clipmarks.com/image_cache/haraya/512/4F75ECD3-BA7B-4DFE-985D-56F8B1544757.jpg)
![](http://content5.clipmarks.com/image_cache/haraya/512/526BB178-662F-40AF-A5A9-CA8035405FB1.jpg)
![](http://content5.clipmarks.com/image_cache/haraya/512/E5CC06A2-E816-4E56-9106-3186B65BE4F9.jpg)
a sinkhole is caused when water (usually rainwater or sewage) is soaked up by the earth on a large scale, resulting in the ground collapsing.
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