This visit marked a starting point on the contemplated tunnel on the South Korean side , officials at the regional government stated .
Nozawa , then a key figure involved in Japanese civil engineering projects , toured Korea 's Geoje region .
This visit marked a starting point on the contemplated tunnel on the Korea   side , officials at the regional government stated .
Nozawa , then a key figure involved in Japanese civil engineering projects , toured Korea 's Geoje region .