英文關鍵字
aerial
beacons
branches
brecon
countryside
drone
flying
forest
forestry
green
natural
nature
plantation
powys
resources
timber
trees
uav
wales
welsh
wild
wilderness
woodland
英文關鍵字
aerial
beacons
branches
brecon
countryside
drone
flying
forest
forestry
green
natural
nature
plantation
powys
resources
timber
trees
uav
wales
welsh
wild
wilderness
woodland