Question

What is photography?
When is World's photography day?​

Answer 1

• Photography is the art, application, and practice of creating durable images by recording light, either electronically by means of an image sensor, or chemically by means of a light-sensitive material such as photographic film.
• World Photography Day is observed on August 19 every year, across the world.

Answer 2

$:\pink\implies$ August 19 of every year is celebrated as World Photography Day across the world, dedicated to the art, craft, science and history of phötography. Photography is a very important medium of storytelling.