East Going WestEpisode 2: The Tip of the HimalayasBBC Radio 7 Duration: 30 minutesFirst broadcast: Sun 21st Sep 2008, 09:30 on BBC Radio 7Latest broadcast: Tue 2nd Nov 2010, 14:30 on BBC Radio 7South Asian specialist Mark Tully visits Kathmandu to investigate the causes and impact of the city's severe pollution problem.GenresFactualTravelSeriesEast Going West Source: BBC Online