Aerial footage of the place where the Corund River enters the salt mine in Praid, Harghita County - Romania. The hole where the water floods into the Praid salt mine
素材ID:1511055876

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  • 格式:MOV
  • 时长:00:45
  • 作者:sebi_2569
  • 最大分辨率:3840 x 2160px

关键词

保护工作生态学排水危险溪流大灾难环境河流损伤自然基础设施设备侵蚀洪水危险