Urban Sketching HACKS | How you can create better urban sketches | Promarker and Uniball tutorial

Urban Sketching HACKS | How you can create better urban sketches | Promarker and Uniball tutorial

https://www.youtube.com/watch?v=BN28vjg2LVs
Urban Sketching HACKS | How you can create better urban sketches | Promarker and Uniball tutorial