The whole explanation of the recent Guandong protest that turned violent.
Long story short, what happens is that the local government promise the people in the area that they are going to build a Columbarium instead of a Crematorium.
In the end, the Crematorium are found to be part of the Columbarium and thus fueling the protest.
Video explanation from @whyyoutouzhele. Thank you for combining everything together. To my followers, teacher Lee has good source if you want to see the real China.
Original link below. Translation by @TGTM_Official , original source from @whyyoutouzhele.