Security drills on Seoul's subway

The video covers a training exercise in Seoul simulating a terrorist attack, highlighting the ongoing tensions between North and South Korea. It discusses the annual military drills aimed at public safety, the historical context from a Korean War veteran, and the public's reaction to these exercises. North Korea's response to the drills, including threats of retaliation against the US, is also covered.

What does North Korea accuse the South and America of preparing for?

What is the general sentiment of commuters in Seoul regarding the potential conflict?