Callio

Yara International

Connects Callio to: Yorkshire and the Humber | Siilinjärvi, Finland | Glomfjord, Norway

circular economy

Connects Callio to: Tianjin | Amsterdam-Zuidoost, Netherlands | Nurmes, Finland

Sveriges Television

Connects Callio to: Sweden | Stockholm, Sweden | Umeå, Sweden | Eslöv Municipality, Sweden

University of Oulu

Connects Callio to: Enontekiö, Finland | Kainuu | Kajaani, Finland | Kontinkangas

Pumped-storage hydroelectricity

Connects Callio to: Slovenia | Thuringia | Erving, Massachusetts | Avče, Slovenia | Bhira Hydroelectric Project

Outokumpu

Connects Callio to: Yorkshire and the Humber | Tornio, Finland | Eskilstuna | Torshälla | Harjavalta, Finland

Anglicisation

Connects Callio to: Casco Bay | Dearborn, Michigan | Isle of Man | Connacht, Ireland | Fordham, Bronx

pyrite

Connects Callio to: Bhutan | Temagami, Ontario | Guizhou | Granite, Colorado | Huancavelica, Peru

bedrock

Connects Callio to: Slovenia | Kansas City, Missouri | New York City, New York | Orlando, Florida | Western Norway