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- Hari 103
- Minggu, 13 Mei 2018 18.56
- 🌙 16 °C
- Ketinggian: 182 mi
AustraliaCoober Pedy28°57’15” S 134°44’29” E
Open pit opal mines
13 Mei 2018, Australia ⋅ 🌙 16 °C
Mining for opal is done 3 ways: deep shaft mining, open pit and noodling. Shaft mining is looked at elsewhere. Open pit mining is exactly what it sounds like--large excavation equipment dig deep andBaca selengkapnya