|"There are plenty of eye-witness accounts. Just because you're so narrow-minded you need to have everything shoved under your nose before you–"
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In early 1999, the new Exmoor Quidditch stadium was hidden from Muggles by the Ministry of Magic via an Invisibility Charm. As a result, fans were advised to collect Re-Visibility Spectacles from the ticket sellers so they would be able to see the stadium and the match. Things did not work out very well with the Invisibility Charm, however, and fans complained that they could not even see their seats, let alone the match. As a result, the charm was lifted with plans to instead set up a special "Ministry of Magic Fog".