Defnyddiwr:Gretarsson

Ni chefnogir cynnwys y dudalen mewn ieithoedd eraill.
Oddi ar Wicipedia

Mahlzeit! (Hi there!)

The Wikimedia projects in which I am most active are:

Fields of interest: Earth and Life Sciences, particularly Geology and Paleontology

What you see on this page was copied from https://meta.wikimedia.org/wiki/User:Gretarsson.
Wedi dod o "https://cy.wikipedia.org/wiki/Defnyddiwr:Gretarsson"