The Godfather director Francis Ford Coppola has had his passion project Megalopolis in development for over 40 years.

Having put up his vineyard to finance the $120 million experimental sci-fi epic, it’s now ready to compete for the Palme d’Or at the Cannes Film Festival this month.

First reactions from early industry screenings have been mixed with one saying: “It’s unflinching in how bats**t crazy it is”.

But this doesn’t bother the Oscar-winner who claims that was the same early…