Abstract type "TravelTips" must resolve to an Object type at runtime for field "Query.travelTipBySlug". Either the "TravelTips" type should provide a "resolveType" function or each possible type should provide an "isTypeOf" function.
Nelson's Column is a monument in Trafalgar Square, built to honour Vice-Admiral Horatio Nelson's victory at the Battle of Trafalgar. Standing tall at 169 feet, it features a statue of Nelson atop a Corinthian column made of granite. Surrounding the base are four bronze lions designed by Sir Edwin Landseer. The column underwent refurbishment in 2006 and has been a site for various publicity stunts and protests.
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