This video is called Japanese Winter Scenes: plants, flowers and trees.
Translated from the Dutch FLORON botanists:
7 January 2016 – Last Christmas holidays 1040 plant enthusiasts started looking for flowering plants during the second edition of the End of the Year Plant Hunt. Together they found 735 different winter-flowering species, doubled compared to last year. Spring began early this winter.
Mild winter in Dutch Drenthe: here.