Backhoe embankment construction

Shota Chikushi, Yushi Moriyama, Hiromitsu Fujii, Yusuke Tamura, Hiroshi Yamakawa, Keiji Nagatani, Fumiya Sakai, Takumi Chiba, Shingo Yamamoto, Kazuhiro Chayama, Atsushi Yamashita, Hajime Asama