Yes dear, marble are respectfully practice, but are something of the past.
You really write dear, your post is such amazing and insteresting, thanks for sharing your thoughts and ideas on marble.
You really gave a thought to this topic, like you said

Marbles hold an outstanding spot in the social demonstration of different social orders, filling in as an image of energetic life guiltlessness, thought, and custom.

Wish you good luck in this contest.