Grzegorz Gawlik on different continents and in different climates. Among other things, he discovered the highest lakes in the world on the Ojos del Salado volcano and found that the highest active volcano in the world is Llullaillaco. In addition, he explored more than 100 other volcanic sites such as geyser fields, geothermal fields, volcanic caves, volcanic deserts, volcanic plateaus, volcanic craters and cones, volcanic rock formations, lava fields. He climbed to about 100 peaks 4-, 5-, 6- and 7-thousand meters in the Himalayas, Andes, Pamir, Caucasus, Cordillera, High Atlas, Tanzania, Borneo and hundreds of lower peaks. During the expeditions, Gawlik explored
David Lim (mountaineer) peripheral nerves. Paralysed from eyes down, he spent six months in hospitals, and emerged partially disabled in both legs. He returned to mountaineering, and since 1999, has led more than 15 expeditions, including the first all-Singapore ascent of Argentina's Aconcagua (6962m), and the world's third solo of Ojos del Salado, the highest volcano in the world (6893m). In summer 2005, he led the first Southeast Asian team to climb virgin peaks in the Tien Shan mountain range on the Kazakh-Kyrgyz border. The team summitted three peaks, now officially recognised as Temasek, Singapura, and Ong Teng Cheong peaks. In 2009, he