The notebooks, estimated to be worth millions of pounds, include the 19th-century scientist’s famous "Tree of Life" sketch. They haven’t been seen since 2000.
They climbed the Basilica of Saint Mary of the Altar of Heaven to renovate its wooden roof beams after rain and wind damage.
A small but historical workshop is going centuries back in time to make silk.
Brazil's National Museum was destroyed by a massive blaze in September.
The demand for guided tours at the 1,800 historic site, has been so great that the site is once again open for night tours
Watch: Refurbishment of the 106-year-old throne is taking place ahead of the enthronement of the Crown Prince Naruhito as Emperor of Japan.