What is the best description of the context in which the mural described in the passage was written

Mural:

"It is a piece of art or painting which is applied directly on surface, such as a wall, the ceiling or any other solid surface."

Explanation:

As each mural created or applied on any surface holds some message or has some backstory to tell the audience or any person looking at it. In most of the cities like Melbourne, Australia or in Rio, Brazil the streets have a lot of paints applied on them each telling a story. It also the history and the culture of any society. So, mural are very important for any developed and rich in culture society or country.