#droneUnmoderated tagAll postsExplore CommunitiesTrending CommunitiesSteemitCryptoAcademyNewcomers' Communityআমার বাংলা ব্লগSteem AllianceKorea • 한국 • KR • KOAVLE 일상Tron Fan ClubBeauty of CreativitySTEEM CN/中文Comunidad LatinaSteem POD TeamSteem For Lifestyle#droneTrendingHotNewPayoutsMutedgsourcetechllc (25)in #construction • 4 days agoWhat Is Drone Photogrammetry and How Is It Used to Capture Site Data for Construction Projects?A survey crew used to need days, sometimes weeks, to walk a large site, recording elevations and features point by…