Kathmandu, April 18 (RSS): Phurba Tenzing Sherpa, a 13th times Everest summiteer, is launching tourism awareness drive by hoisting a flag reflecting logo of the campaign from atop the world's highest mountain. As part of the campaign, he is shedding light on the ‘Mero Gaun Mero Thau’ (My Village, My Place) campaign from the summit…