

Beijing, China
Dear diary,Today I arrived in the poisoned air of Beijing. Despite news reports of the past week about worst ever pollution levels, it was the best conditions I've ever seen here, my third visit to the city in 4 years. Where visibility was at about 50m the first time I came in Autumn 2010, it was of the order of kilometres today. Beijing this time is a staging post for the tour of North Korea that I am doing with a friend. The flight with the country's na...