The 2019 remake of 'The Lion King' pushed the boundaries of 'animation' by using photo-realistic computer-generated imagery that looked like a nature documentary. Directed by Jon Favreau, the film grossed $1.6 billion, becoming the highest-grossing 'animated' film of all time (though Disney categorized it as live-action). The entire film was created in a virtual reality environment where the crew could 'walk' through the digital Serengeti and place cameras as if they were on a real set. This 'virtual production' technology has since been used in blockbusters like 'The Mandalorian' and 'Avatar: The Way of Water.' [Image showing the Virtual Reality production environment used to 'film' The Lion King 2019]