With unmanned aircraft and special seed vessels, the company Droneseed is innovating reforestation efforts at a time when wildfires are burning record amounts of land.
원문출처 : https://www.cnn.com/videos/business/2020/12/02/drone-wildfire-reforestation-tree-planting-company-orig.cnn
원문출처 : https://www.cnn.com/videos/business/2020/12/02/drone-wildfire-reforestation-tree-planting-company-orig.cnn