Sabah Deputy Chief Minister Datuk Seri Jeffrey Kitingan poses at a natural pond on the summit of Mount Kinabalu during his climb up the mountain on Friday. KOTA KINABALU: At 73, Sabah Deputy Chief Minister Datuk Seri Dr Jeffrey Kitingan has proven that age is no barrier when it comes to scaling Malaysia's highest peak Mt Kinabalu. Despite heavy rain at the 4,095m summit, the veteran politician led a group of 50 people to reach the top as part of his Jom Sihat programme while also promoting ethnic Kadazandusun and Murut costumes in conjunction with Kaamatan month. "It was a very difficult journey especially after Layang-Layang and the last climb to the summit from Panalaban.