Warsaw, a veritable wonder of a city, is the world's only capital which at a definite moment of its history ceased to exist in the most dramatic circumstances, lost most of its buildings and its entire population, to re-emerge in a short time in defiance of all down-to-earth prognostications, to assume a new shape, yet without losing its historical appearance, and without giving up its continuity with the past. It is a city whose historic buildings were destroyed systematically and erased almost completely and which-for all that-possesses not only individual buildings but also collections of monuments that thrill one with the spirit of the history of the city and the people…