Hello, I'm glad to know that we agree that it is indeed a visual art. It has always seemed interesting to me how visual effects can be obtained through animations, and the truth is that they put a lot of effort into the visual effects in this manga. Thanks for your comment.
RE: El diseño de la animación que más me gustaron de Shingeki no kyojin.//The animation design that I liked the most from Shingeki no kyojin.[Esp-Eng]