美国大峡谷突发山洪：1人死亡、约15人仍失联
GSM Official 群星传媒官方频道2026年8月30日发布视频，报道美国大峡谷突发山洪：1人死亡、约15人仍失联。山洪是美国西南部峡谷地带雨季的高危灾害，狭窄峡谷地形使水位可在短时间内暴涨，徒步者往往来不及撤离。
本篇以视频本身为对象刊载，正文附完整视频。视频所述伤亡与失联数字为发布时的初步信息。资料来源：GSM Official 群星传媒官方频道视频。
Grand Canyon Flash Flood: 1 Dead, About 15 Unaccounted For
GSM Official released this video on August 30, 2026, reporting a flash flood in the Grand Canyon: one person dead and about 15 still unaccounted for. Flash floods are a high-risk monsoon-season hazard in the canyon country of the U.S. Southwest, where narrow terrain can send water levels surging within minutes, leaving hikers little time to escape.
This item is built around the video itself and embeds it in full. Casualty and missing figures are the preliminary numbers as reported at release. Source: GSM Official channel video.
图片来源：图：GSM Official 群星传媒官方频道视频《美国大峡谷突发山洪：1人死亡、约15人仍失联》画面（YouTube 官方缩略图）。
