Apparently, these historic sites are run by cash-strapped local authorities, and thus the huge source of money attained from the (2) ___________ of sightseeing tickets can contribute to the s
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Apparently, these historic sites are run by cash-strapped local authorities, and thus the huge source of money attained from the (2) ___________ of sightseeing tickets can contribute to the struggle of restoration and preservation of the historical buildings.