C175
"City A itself is a treasure trove. The port on the east side faces the sea, followed by the archipelago. The other side of the strait is North America, and there are many docks on the other side, which are easy to transport." Xiang Ye picked up the laptop, opened up a bird chart and placed it in front of Gu Anning, "Then to the west is S City. This river flows all the way from S City