The correct answer is Australia;
Australia is somewhat famous for thriving in opal mining.
Hope I could help, and good luck!
~Vinny:)
I would say 60 feet. Yards is what you would use to measure a foot ball field. It's way to big of a measurment for a telephone pole. Feet make sense because they are not to big, but not to small.
~Silver
South Asia is so beutiful Omg I wanna go so bad 3x-3