This photo provided by Incheon Fire Headquarters shows balloons with trash presumably sent by North Korea, in Incheon, South Korea, Sunday, June 2, 2024. North Korea launched hundreds of more trash-carrying balloons toward the South after a similar campaign a few days ago, according to South Korea’s military, in what Pyongyang calls retaliation for activists flying anti-North Korean leaflets across the border. (Incheon Fire Headquarters, via AP)