Watch the Water?

Mount Paektu (also known as Changbai Mountain) is one of the largest volcanoes on earth and yet, for the longest time, nobody could explain where it came from or why it exists. Here we will discuss why this volcano is so unusual and how the geological mystery surrounding it could eventually be solved.

It sits on the border of China and NK and seems out of place according to vid embed. It has a large water-filled Caldera.

Also maybe related: https://americanmilitarynews.com/2019/04/un-sanctions-are-good-business-for-chinese-smugglers-in-north-korea/