This is just the tip of ice burg.

Qatar needs to add up more tourists attractions in order to multiple these numbers.

Free desert safari is an attraction, that the hotels can pay for.

Vintage and old cars museum, if put up, can become an additional spot to Doha's attraction.

Smaller islands of Doha also can add value, if water slidings are added up.

Scuba diving is yet another area, that the tourists like to engage in.