C501
"To what extent did Northern Yan Country develop their gold mine?" Xiao Shiyu suddenly thought of something and asked Liang Yi.
"When I saw it, I only developed a few mines." Liang Yi answered.
Xiao Shiyu suddenly understood why her father had dared to leave Princess Axiang in Weiyang Kingdom.
The gold mine of the Northern Yan Country had just been developed not long ago