A discussion of the challenges inherent to making this movie, with emphasis on making a movie in the water, Blake Lively's physical preparations for the part, and the differences of shooting... Read allA discussion of the challenges inherent to making this movie, with emphasis on making a movie in the water, Blake Lively's physical preparations for the part, and the differences of shooting on location and on a stage.A discussion of the challenges inherent to making this movie, with emphasis on making a movie in the water, Blake Lively's physical preparations for the part, and the differences of shooting on location and on a stage.