Öja stone, Gotland (RF)

Clay (RM)

Illuminated window (RF)

Illuminated window (RM)

Akers fortress, Oslo (RF)

Old house wall (RF)

Torpa Stenhus, Västergötland (RM)

Riga buildings (RF)

Akers fortress (RF)

Akers fortress (RF)

Pompeii street (RF)

Prague, capital city of Czech Republic (RF)

Prague, capital city of Czech Republic (RF)

Prague, the capital city of Czech Republic (RF)

Gamla Stan, The Old Town in Stockholm, Sweden (RF)

Prague, the capital city of Czech Republic (RF)