China in the 13th century was the richest, most powerful, most technologically advanced civilization on earth. NOVA looks at how China achieved what it did, and what in Chinese politics, culture and economy kept it from doing more. Part one of a four part series.
ستظهر التعليقات هنا بمجرد مشاركة الأعضاء لأفكارهم.
لا توجد موسيقى بعد
إضافة موسيقى تصويرية