Does anyone know what the song, “The Greatest Show” from the Greatest showman lyrics mean and how it relates to both P. T. Barnum and the theme of the movie？

To make an etching the artist first coats the entire printing plate with an acid-resistant substance called a made from beeswax, asphalt, and other material. the artist then draws on the coated plate with an etching needle exposing the metal. next the plate is dipped in the plate is removed, the waxy coating removed, and the plate is cleaned, inked and printed.

The paintings in the lascaux cave were discovered by who?

Why do artist use texture? (site 1) !