Abstract
In our country we find surprisingly pretty various abandoned mining tunnels or caves systems. Although it's dark and generally not plant growth, yet they are not spaces so lifeless as it seems at first glance It might seem.
E.g. for wood can in these areas find striking, bizarre shapes kloboukatých fungi (Basidiomycota). But also mycologists dealing with microscopic fungi it is a true paradise.
Fungal spores are brought here air from the external environment.