“…With respect to tourism itself, the following topics are studied: agritourism [ 67 ], cave tourism [ 68 ], city tourism [ [69] , [70] , [71] ], tourism [ [72] , [73] , [74] , [75] ], destination image [ 76 ], ecotourism, low-carbon, tourism, impact on the ecosystem [ [77] , [78] , [79] ], highly aggregated tourist crowds [ 79 ], international tourism [ 80 ], island tourism/small island tourism [ 81 , 82 ], lagoon ecosystem [ 83 ], national park, natural recreation [ 84 ], regional tourism, local tourism [ 85 ], world heritage [ 86 ].…”