Saturday Subway Stuff: Stinks, security, shuffling and songs

A roundup of the latest metro news and links from ExploreMetro cities!

• Out, damned stench! Out of the Shanghai subway, I say! - The Shanghai Metro has banned bad smells including stinky tofu. "A lot of daily-use stuff can be smelly," said Zhou Xinwei, a daily Metro rider. (Shanghaiist)
• Security checks to stay after Expo "The security checks effectively protect the safety of the public," Yin Wei, deputy director of the Shanghai Subway Operation Company, told the Global Times Thursday. "In the interests of daily commuters, we've chosen not to rid of them once the Expo is over after all." (Global Times)
• Singapore Metro map, anagrammed! - from Nude Jail to Ethical Realms
• Hong Kong MTR stations, to The Sound of Music - don't ask...