Bleeker Street and Amazon Studios released the first trailer for “The Lost City of Z,” an action-adventure, biography set to premiere this spring. While the film is still a few months away, you can get a look at the upcoming project thanks to a trailer uploaded from the studio earlier this morning.

The film is based on author David Grann’s nonfiction bestseller, “The Lost City of Z” tells the incredible true story of British explorer Percy Fawcett (Charlie Hunnam), who journeys into the Amazon at the dawn of the 20th century and discovers evidence of a previously unknown, advanced civilization.

The studio explains the story saying, “Despite being ridiculed by the scientific establishment who regard indigenous populations as “savages,” the determined Fawcett – supported by his devoted wife (Sienna Miller),  son (Tom Holland) and friend (Robert Pattinson) – returns time and again to his beloved jungle in an attempt to prove his case, culminating in his mysterious disappearance in 1925.”

The film was directed by James Gray, who also directed “The Immigrant” with  Marion Cotillard, Joaquin Phoenix and Jeremy Renner, and the film “The Yards” with Mark Wahlberg, Joaquin Phoenix and Charlize Theron. You can watch the first official trailer for the film below, or on YouTube.

Tom Holland of course will be starring in “Spider-Man: Homecoming”  next year, he will star as Spider-Man/Peter Parker for Marvel. Sienna Miller is rumored to be appearing in “The Current War” with director Alfonso Gomez-Rejon. That drama also stars Tom Holland, and features Katherine Waterston, and Benedict Cumberbatch. As for star Charlie Hunnam, his “King Arthur” project is currently in post-production- he will playing the titular role in that film, as is his remake of the 1973 film ‘Papillon’. The original film starred  Steve McQueen, Dustin Hoffman and Victor Jory, and was directed by  Franklin J. Schaffner.

“The Lost City of Z” will first open in New York and LA on April 14, 2017, it will then expand nationally in theaters on April 21, 2017.