Myeongdong is just so huge; my legs got tired and my body was exhausted just from walking around. I happened to see a 7-Eleven, so my colleague and I went in to grab some drinks. We discovered that Korean convenience stores have 'buy one, get one' promotions, which gave us plenty of options. We paid, sat down to rest while drinking one bottle, and put the other in our bags to drink later when we were tired from walking.