A Wooden Flying Machine Constructed in China 2,000 Years Ago

A wooden flying machine.

A wooden flying machine already existed more than 2,000 years ago in China. (Image: Tamas via Dreamstime)

Paolo Olbi: Preserving Venetian Bookbinding

Paolo Olbi's bookshop.

Paolo Olbi’s shop is located next to Ca’ Foscari bridge in the Dorsoduro area of Venice. (Image: via Paolo Olbi)