According to Cinando, both films "The Childhood of a Leader" and "The Lost City if Z" are listed to be included at the Cannes Film Market...
This chilling fable about the rise of fascism in the 20th Century tells the story of a young American boy living in France in 1918 whose father is working for the US government on the creation of the Treaty of Versailles. What he witnesses helps to mold his beliefs – and we witness the birth of a terrifying ego.
Loosely inspired by the early childhood experiences of many of the great dictators of the 20th century and infused with the same sense of dread as The Others and The Omen, (The) Childhood Of a Leader is an ominous portrait of emerging evil.
In 1925, Fawcett venturer into the Amazon to find an ancient civilization, hoping to make one of the most important discoveries in history. For centuries Europeans believed the world's largest jungle concealed the glittering kingdom of El Eldorado. Thousands had died looking for it, leaving many scientists convinced that the Amazon was truly inimical to humans. But Fawcett, whose daring expeditions inspired Conan Doyle's The Lost World, had spent years building his scientific case. Captivating the imagination of millions round the globe, Fawcett embarked with his son, determined to prove that this ancient civilization - which he dubbed Z - existed. Then the expedition vanished.
source: IMDb via Robert Pattinson au