Súbor:Tree rings.jpgDescriptionTree rings.jpg English: Tree rings seen in a cross section of a trunk of a tree Date 7 January 2006 Source Self-photographed Author Arnoldius
Súbor:El 18 2262 Ring - Brøttum.jpgRegiontog to Trondheim between Ring and Brøttum south of Lillehammer, Norway German Regiontog nach Trondheim zwischen Ring und Brøttum südlich von Lillehammer
Súbor:Growth Rings tree rings 02.jpgsections cut through the trunk of a tree can reveal growth rings, also referred to as tree rings or annual rings. I, the copyright holder of this work
Súbor:Growth Rings tree rings 03.jpgsections cut through the trunk of a tree can reveal growth rings, also referred to as tree rings or annual rings. I, the copyright holder of this work
Súbor:Growth Rings tree rings 01.jpgsections cut through the trunk of a tree can reveal growth rings, also referred to as tree rings or annual rings. I, the copyright holder of this work