How is this tree still standing?
WW2 coastal defences reinforced concrete engine-room building, with a fully grown pine tree on the edge of the roof. I know pines are shallow rooted, but there's not much depth of topsoil and it's unsupported to one side.
surface area of the root structure + size of tree + strength/ direction of weather
@spotter started
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How is this tree still standing?
WW2 coastal defences reinforced concrete engine-room building, with a fully grown pine tree on the edge of the roof. I know pines are shallow rooted, but there's not much depth of topsoil and it's unsupported to one side.