Vice President Mohd. Hamid Ansari (L) along with the President of Turkmenistan Gurbanguly Berdimohamedov (R), President of Afghanistan Ashraf Ghani (2nd-R) and Prime Minister of Pakistan Nawaz Sharif (2nd-L) pressing the button to begin the welding process of the TAPI Gas Pipeline, in Mary, Turkmenistan on Sunday. UNI PHOTO