https://newsmesis.com/ko/story/two-killed-as-firefighting-helicopters-collide-battling-greece-s-advancing-wildfire Newsmesis ko 2026-08-02T19:56:26.596Z 그리스 산불 진화 헬기 공중충돌, 그리스인·덴마크인 탑승자 사망 https://newsmesis.com/en/story/two-killed-as-firefighting-helicopters-collide-battling-greece-s-advancing-wildfire Newsmesis en 2026-08-02T19:56:26.596Z Two Killed as Firefighting Helicopters Collide Battling Greece's Advancing Wildfire