This is a video about the Anne Frank tree.
From Dutch NOS TV:
Anne Frank tree will not be cut down
The Anne Frank tree will definitely not be cut down. The horse chestnut tree at which Anne Frank looked from the Achterhuis [Secret Annexe] will stay there for at least five years. There will be a special steel construction around the tree, which is affected by an aggressive fungus.
The owner of the Anne Frank tree agrees with the agreements. Earlier, the local authority and the owner wanted to cut down the chestnut tree, as there is a risk of it falling down.
See also here.
Back in 2010 the world famous Anne Frank chestnut tree had blown over and broke. In an effort to save something of this tree mentioned in Anne Frank’s diary, branches were take in order to try and grow saplings: here.