How the 1917 movie was crafted? how it was filmed? What made the actors performances and the screenplay at its best? What made us feel incredible after watching the movie?

How the 1917 movie was crafted? how it was filmed? What made the actors performances and the screenplay at its best? What made us feel incredible after watching the movie?
Akkineni Sreekar Prasad, better known as Sreekar Prasad, is an Indian film editing professional, known for his works in Indian cinema. He works predominantly in Hindi, Malayalam, Tamil, Telugu and English films.