Greece introduced a 20-euro ($23) fee on tourists arriving on Santorini by cruise ship on Tuesday to try to rein in overtourism and collect revenues to upgrade the island's infrastructure.The volcanic island in the Aegean Sea attracts about 2 million tourists a year…<p><p>https://www.marinelink.com/news/greece-imposes-levy-santorini-cruise-527532</p></p>