The trolleybus.Sure seems like it was some dangerous construction work.Okay, let's head back, then!!Uh-huh!♡As Expected of You, Sanae-SamaIt says it memorializes the 171 people who lost their lives when building the dam.Memorial to those who died on the job.SnorrreWe will be providing you a brief history of this tunnel...please, we beg of you, listen!!