The recently-announced Jurassic Park 4 might have been put on hold.Two employees have revealed problems surrounding the production on Twitter. Initially, a Jurassic Park 4 concept artist tweeted "JP4 On Hold", while another member of the production team wrote: "Hollywood creates and crushes dreams. Goodbye JP4". (You can see the original screen grabs over at Ain't It Cool .) Both tweets have since been removed.This potentially depressing news comes just days after director Colin Trevorrow confirmed the film would be returning to Isla Nubar, the island in the original film.But things might not be as bleak as we first thought.A "reliable source" close to JurassicPark4-movie claims Jurassic Park 4 is still in production but has been put on a temporary hiatus while some restructuring goes on behind the scenes. This restructuring seems to involve lay-offs to the production team but Colin Trevorrow is still supposed be in the director's chair. The Hollywood Reporter's Borys Kit explains via Twitter, "#JP4 reason for delay: studio got a draft of the script...2 days ago. Way more epic and ambitious than they were prepared for."

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