For the past 34 years, Wim Kruiswijk has been traversing the coasts of Zandvoort, Netherlands, in search of messages-in-bottles that have washed ashore. So far, he’s collected an unbelievable 1,200 letters, responding to as many as he can. Though it may take Kruiswijk anywhere from days to months to come across his next find, the thrill of the search and the surprise that each bottle holds keeps him going.