"Mulch volcanoes cause moisture to be trapped at the base of the trunk, which can cause rot, disease, and other issues," the tree pro wrote. "They also give roots the opportunity to encircle the trunk ...

In worst-case scenarios, this could result in the death of a tree, depriving a space of all the benefits it can bring.

Tenorio Volcano National Park in Costa Rica has introduced an online ticketing system, allowing visitors to purchase their entrance tickets in advance.