They are interesting hypotheses
, in fact it is a Canary Islands Pine
Pinus canariensis, this species has a natural resistance to fire regrowing in old wood even when it burns completely, the thick bark protects the trunk from the fire. It also regrow after strong pruning, even pines with trunks of more than 1 meter in diameter sprout profusely from old wood. This is an adaptation to the harsh conditions in the isles making it one of the most fire-resistant conifers in the world