Mass tourism is becoming a problem countries as more travellers flock to tourist destinations. In 2017, 1.3 billion people travelled to a foreign country and international tourism expenditure was $US1.362 trillion in 2016, according to the World Bank.
The impact of this is being felt by countries both small and large. For example, Spain is actively limiting the number of tourists in Barcelona by restricting accommodation in the city, while Thailand has indefinitely closed Maya Bay on Ko Phi Phi Leh island, which was made famous by the 2000 film The Beach, starring Leonardo Di Caprio. It is believed that...