One challenge is getting accurate information. Sometimes, details of the true story might be hard to verify or there could be conflicting accounts. For example, in a historical - based true story, different witnesses might remember events differently.
A third example is '127 Hours'. It's based on the true story of Aron Ralston, who got trapped while canyoneering alone. The movie is intense as it shows his struggle to survive and his ultimate decision to amputate his own arm to free himself.
Yes. 1917 takes cues from real-life happenings during World War I, offering a cinematic portrayal that aims to capture the essence and reality of the period.
Yes, it is. The film 21 is loosely inspired by the true story of a group of MIT students who used card counting techniques to win big at blackjack in Las Vegas.
Definitely. 1917 takes elements from actual war events and presents them in a cinematic way. However, some artistic liberties might have been taken for dramatic effect.