Tag: Czech Republic

Probošt’s mechanical Christmas crib

Probošt’s mechanical Christmas crib, also known as Bethlehem of Třebechovice or Probošt’s Nativity Scene of Třebechovice, is a wooden mechanical nativity scene that was made by Josef Probošt (1849–1926), Josef Kapucián (1841–1908) and Josef Friml (1861–1946).

How Medieval Bridges Were Built—An Animation

Building a bridge over water is a daunting task, and despite the many technological progresses, the basics have remain unchanged since ancient times. First a cofferdam is constructed on the riverbed and the water inside this enclosed structure is pumped out, exposing the muddy button. Upon this ground the piers of the bridge are erected.