Ordinary things, extraordinary sight. Maybe it looks like a cave from another planet. Hatchery of aliens. In fact, it's the inside of the Dakon Dua gas boiler :) Obyčejné věci, neobyčejný pohled. Možná

Do you remember the View Master? It was great we could see the whole world in 3 dimensions. Appeared at the end of the 1930s it is the worthy representative of a line of stereoscope started around the