yes it has been claimed that there was a UFO in lapland.
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It is true that some people have claimed to spot a UFO in
China.
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So few sightings are actually reported, there is no way to know
that answer.
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yes, countless sightings
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The online UFO Sightings Report is a good place to find
information on UFO sightings. It also has photographs, maps and
resources for anyone interested in this particular topic.