Why asphalt roads are constructed in layers

Asphalt roads are made up in layers, this structure gives the road its strength and durability, and warrants careful consideration when designing a new road.

[binapark]

I did not know this before this video. Thank you!

[NK-qdxk]

Please avoid background music it's hard to listen to you

[ashajaiswal]

Which program you used for creating the video