Bright shocks of blue in the Utah desert are mining evaporation ponds, dyed the brilliant color to promote the absorption of sunlight. The mines produce potash, an ingredient in fertilizer.
via LiveScience.com http://ift.tt/1qJoNau
via LiveScience.com http://ift.tt/1qJoNau
Δεν υπάρχουν σχόλια:
Δημοσίευση σχολίου