Boracay the 1970s. In 1970, the movies "Nam's Angels" (released in the U.S. as "The Losers") and "Too Late the Hero" used filming locations on Boracay and Caticlan. There was an influx of Western tourists after German writer Jens Peter called it "paradise on Earth" in his book about the Philippines in 1978. In the 1980s, the island became popular as a budget destination for backpackers. By the 1990s, Boracay's beaches were being acclaimed as the best in the world. However in 1997, the tourist arrival to the resort island dropped 60 percent due to the increase of coliform bacteria from
Boracay install an efficient sewerage system. Boracay has experienced abnormally high algae growth since February 2015, due to sewage being dumped into the waters surrounding the islands. In early 2018, 50 to 60 percent of all establishments in Boracay were compliant to the Clean Water Act of 2004 according to the Department of Environment and Natural Resources. Partly because of its wind and weather patterns, tourism in Boracay is at its peak during the "amihan" season (which starts in September or October and ends sometime in May or June). During "amihan", the prevailing wind blows from the east. Boracay's main tourism