Xi vs Les

Lisbon

Lisbon (; Portuguese: Lisboa [liʒˈβo.ɐ] (listen)) is the capital and the largest city of...

Annaba

Annaba (Arabic: عنّابة‎, lit "Place of the Jujubes"; Berber languages: Aânavaen),...

Rybník

Galena

Galena, also called lead glance, is the natural mineral form of lead(II) sulfide (PbS). It is the...