Haeundae Blueline Park Daritdol Observatory Simple Station is where riders board the beach train and the capsule train near Cheongsapo Station. The capsule train runs over a transparent floor that looks down onto the sea, and the beach train also offers views of the coastal scenery. Capsule train tickets are booked online in advance, and riders line up to board before their reserved time. The inside of the train is hot during hours when the sun is strong.