Near a wooden hut high up in the Kyrgyz mountains, scientist Gulbara Omorova walked to a pile of grey rocks, reminiscing how the same spot was a glacier just a few years ago.
At an altitude of 4,000 metres, the 35-year-old researcher is surrounded by the giant peaks of the towering Tian Shan range that also stretches into China, Kazakhstan and Uzbekistan.
