North Korea’s trash rains onto South Korea, balloon by balloon. Here’s what it means The Associated PressNorth Korea sends balloons full of manure and trash over the border to South Korea ABC NewsNorth Korea sends fleet of balloons carrying excrement to South Korea The HillSouth Korea warns Pyongyang to stop sending waste-filled balloons Al Jazeera EnglishLatest North Korean Offensive: Dumping Trash on South Korea From the Sky The New York Times