President Asif Ali Zardari has emphasized the need to enhance Pakistan's aerial connections with other countries.Talking to a delegation of Air Asia Aviation Group in Islamabad today, he said potential of Pakistan's tourism sector can be fully exploited by increasing people-to-people contacts.The President said Pakistan has abundant tourism opportunities, especially religious sites.He said investors should invest in the Pakistan Stock Exchange by taking advantage of the best investment opportunities it offers.The delegation apprised the president about the Air Asia Aviation Group and its flight operations.Source: Radio Pakistan