For actress Yao Chen, it has been a year of career highs and personal lows.

Time is an intangible thing that is difficult to measure. This little video talks about the different tools used to measure time in history.

Time is an intangible thing that is difficult to measure. This little video talks about the different tools used to measure time in history.

It is important to preserve nature as we are owned by the Earth.

It takes time and patience to regain the things that we lost. Let's work hard and bring the rainforest back to our next generation.