Public Mineral Baths, Sofia, Bulgaria
София (Sofia, Bulgaria) - Софийска градска минерална баня (Sofia Public Mineral Baths) by
jaime.silva, on Flickr
St.Pancras Railway Station, London
St Pancras by
almonkey, on Flickr
American Museum of Natural History, NYC
Natural history by
A.G. Photographe, on Flickr