Ho visto questo dall’aereo decollare da Charleroi
https://i.redd.it/2g0sdhz0tmaf1.jpeg
di pondyo
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8 commenti
It’s water. You’re welcome.
It’s an old quarry near Mons in Obourg
Blue because it mirrors the blue sky.
[This place](https://www.google.com/maps/place/Excavatrice+holcim/@50.4665903,4.0237756,1167a,35y,39.13t/data=!3m1!1e3!4m6!3m5!1s0x47c24f3d298633d7:0xf7317d67b3ae6f4!8m2!3d50.4779986!4d4.0295175!16s%2Fg%2F11j074ttkq?entry=ttu&g_ep=EgoyMDI1MDYzMC4wIKXMDSoASAFQAw%3D%3D)
It’s a quarry.
Limestone has a mineral in it called calcium carbonate that turns water more azure when dissolved. Belgium has plenty of limestone quarries, some underground, where you can see this effect clearly.
https://maps.app.goo.gl/hPkoBqSg1JVk6jwR9?g_st=ipc
It is an old quarry.
The water in old quarries tend to be blue
https://www.reddit.com/r/askscience/comments/mexp5/why_is_it_that_water_in_a_rock_quarry_is_always/
Water reservoir used for industrial applications or mining.
It’s most likely a settling pond. Factories send their dirty remaining water there. Over time, the chemicals or solid parts go at the bottom and eventually the water can be re-processed somewhere else. Bright colors is due to minerals, chemicals etc