Jonathan starts this journey in an emerald mine and then makes his way down to the great city of Ekaterinburg, built to protect and exploit reserves of iron ore found in the mountains.
乔纳森从一个绿宝石矿开始他的这次旅途，然后来到叶卡捷琳堡——这个城市建起以保护和开发山里的铁矿储备。
Jonathan starts this journey in an emerald mine and then makes his way down to the great city of Ekaterinburg, built to protect and exploit reserves of iron ore found in the mountains.
乔纳森从一个绿宝石矿开始他的这次旅途，然后来到叶卡捷琳堡——这个城市建起以保护和开发山里的铁矿储备。
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