In a good number of African states, you should find these tourist centres which have served other purposes in the past.
From a fort turned tourist site in Ghana’s capital, Accra, to the old electricity-generating cooling towers now used for bungee-jump in South Africa’s Soweto, these old buildings or centres are now serving as tourist attractions.
Perhaps, the purposes for which they served were no longer pressing hence the switch.
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Check out these old, historic buildings or centres now utilized for tourism: