border-tensions

North Korean balloons

North Korea's Trash Balloons Cause Tension with South Korea: A Bizarre Escalation

Discover the strange saga of North Korea's trash balloon attacks on South Korea. Find out why tensions are rising and how the two countries are responding.

North Korea South Korea balloons

North Korea Sends Trash Balloons to South Korea: Seoul Responds with Smart Balloons

Seoul activists develop 'smart balloons' equipped with GPS to send messages into North Korea, while tensions rise between the two Koreas.