Punggyeong Sogeuro is an unmanned self-service cafeteria in the mountains of Cheolma in Busan, serving tea, coffee, fruit and snacks. Entry includes unlimited traditional tea, cookies and fruit, with roasted sweet potatoes available in winter. You brew the tea yourself, and a walking path passes a jangdokdae and chrysanthemums. The unpaved mountain road is rough, so walking there is difficult.