A story only I don't know

There are Hwanseongul Cave and Daegeumgul Cave in Samcheok near Donghae City. Hwanseongul Cave can be visited and photographed without on-site tickets or time reservations, but Daegeumgul Cave requires reservation of the visit date and time in advance and photography is prohibited inside the cave. In other words, Daegeumgul Cave was much more difficult to access and there were no pictures on the Internet, so it felt mysterious. And we tried that hard thing this time. Haha Daegeumgul Cave To make an Internet reservation Daegeumgul Cave must book and pay for the visit date and visit time (times) on the Internet in advance. Shortcut to book Daegeumgul Cave There's a 2,000 won difference between the individual and the group. We chose Daegeumgul individual reservation . Select the reservation date and the reservation time (times). It was cut on the screen, but there is also a button to pay below. I'll pay for it here. Visiting I park first. Parking is rather spacious. I