Coloring pencils. 
Here's another beautiful artwork below:
The black color designs are created on the ceiling of a house, but they are not drawn with spray nor with any kind of painting materials.
Can you guess what it is?

Here's another beautiful artwork below:
The black color designs are created on the ceiling of a house, but they are not drawn with spray nor with any kind of painting materials.
Can you guess what it is?



![[Image: kflmu.jpg]](https://images.weserv.nl/?url=i.imgur.com%2Fkflmu.jpg)
![[Image: QmwZ1.jpg]](https://images.weserv.nl/?url=i.imgur.com%2FQmwZ1.jpg)
![[Image: 3UhUq.jpg]](https://images.weserv.nl/?url=i.imgur.com%2F3UhUq.jpg)
![[Image: LrsdU.jpg]](https://images.weserv.nl/?url=i.imgur.com%2FLrsdU.jpg)
![[Image: nS3XP.jpg]](https://images.weserv.nl/?url=i.imgur.com%2FnS3XP.jpg)