Rebiya,Dalai Lama why they are in China?

I watched a lot of reports about the Dalai Lama and Rebiya,expecially,Japanese is inviting the Dalai Lama to attend their country.
i don'tknow why Japanese would like to create disturbances.why some countries are hostile to China?why they don't wanna be peace in china.a series of disturbances occured in China.and everyone fell unset.now the HINI flu in the world and so called Mayan Prophecies indicateed another civilization time.i don't how to understand and how to explain,i just hope everybody is happy and safe,hope peace world .