Visitors view winter red leaves in Rikugi Garden of Tokyo, Japan, Nov. 27, 2012. [Xinhua]

Visitors view winter red leaves in Rikugi Garden of Tokyo, Japan, Nov. 27, 2012. [Xinhua]

Mallard ducks swim in water in Rikugi Garden of Tokyo, Japan, Nov. 27, 2012. [Xinhua]