'The amount of garbage washing up on Tsushima's shores, including Kujika Beach, reaches 30,000 to 40,000 cubic meters annually, equivalent to about 100 25-meter swimming pools. According to city data, when plastic bottles collected in fiscal 2024 are sorted by country of origin, 37% came from China, 27% from South Korea and 5% from Japan. The origin of the remainder is unknown, but much is believed to be foreign-made, based on its shape and other features.'






