article_snippet.sent: Often specific locations seem to be highly attractive to UFOs, and specific locations are known as UFO window areas or UFO portals.
article_snippet.sent: In the UK, Warminster, Cannock Chase and Bonnybridge are the most famous UFO window areas.'
article_snippet.sent: Bonnybridge is known as the UFO capital of Scotland and there are said to be some 300 sightings every year, although not all of these are shown on the map.
article_snippet.sent: Cannock Chase in the Midlands has been a UFO hotbed since the1960s when there were first reports of a crashed craft, and earlier this year, residents reported seeing slow-moving aircraft making a loud buzzing noise moving across the sky.
article_snippet.sent: There appear to be repeated UFO sightings in the Midlands shown on the map during the 1960s, with clusters of activity also seen in the Netherlands, Germany and other parts of central Europe.
article_snippet.sent: The map also shows a famous UFO sighting in Sao Paulo, Brazil, in 1986, when military aircraft were sent to intercept 20 UFOs, which showed up on radar.
article_snippet.sent: In Europe, The map shows many sightings over Belgium, between 1989 and 1990, which is known as the Belgium Wave.
article_snippet.sent: The map shows the whole of Europe ablaze with circles indicating UFO sightings, as well as areas of western Africa, India, South East Asia and South America.
article_snippet.sent: (UFO map shows a famous UFO sighting in Sao Paulo, BrazilBrazil, in 1986, when military aircraft were sent to intercept 20 UFOs, as well as numerous sightings in South Africa and other parts of the continent, which have been reported in recent years.
article_snippet.sent: UFO maps of South America (left) and Africa (right) are shown .
highlights_snippet.sent: Map's based on UFO sighting dataset from the National UFO Reporting Centre and open source mapping software .
  