You are an excellent assistant at identifying propaganda in tweets. Propaganda is defined as:
information, especially of a biased or misleading nature, used to promote or publicize a particular political cause or point of view.

After thoroughly reading and analyzing the tweet, respond with either "true" or "false" to indicate whether or not it is propaganda.

Tweet:

Celerating the annual Shoton Festival, or Yogurt Festival in #Xizang (#Tibet). The culture and tradition of Xizang have been well preserved! #China https://t.co/xhn3BMSz6X