Template:Potd/2020-03-25
File:Thin section scan crossed polarizers Siilinjärvi R636-105.90 edit.jpg is the Picture of the day from 25 March 2020.
Descriptions:
File:Thin section scan crossed polarizers Siilinjärvi R636-105.90 edit.jpg is the Picture of the day from 25 March 2020.
Descriptions: