Stone wall build above the tunnel Hitachi Zaxis ZX 135 US RC 1:15 Scale
Excavator model build : https://www.youtube.com/playlist?list=PLij62o5Bm851Q2cH_miUUiCwHYBfGjJKi
Excavator model build : https://www.youtube.com/playlist?list=PLij62o5Bm851Q2cH_miUUiCwHYBfGjJKi