TOKYO: Chinese visitors to Japan tumbled 45.2 per cent in February from a year earlier, official data showed on Wednesday (May 18), as the fallout from the countries' diplomatic spat bit for the third month running. Previously, Chinese travellers were the biggest source of tourists to Japan, contributing to a boom in the land of cherry blossoms and Mount Fuji that was fuelled by a weak yen, making shopping cheap. But in January, South Korea overtook China as the largest contingent, a trend that