来自MSN6 个月
World’s largest tree ‘General Sherman’ scaled for first time for health check
If left unchecked, the tiny beetles can kill a tree within six months. That’s why park officials allowed Ambrose and his colleagues to climb General Sherman. They conducted the tree health ...
来自MSN6 个月
World’s largest tree ‘General Sherman’ scaled for health check
If left unchecked, the tiny beetles can kill a tree within six months. That’s why park officials allowed Ambrose and his colleagues to climb General Sherman. They conducted the tree health ...