I did it in Blender. RENDER TIME - 38 HOURS (25 samples)
This is my first complicated animation. There is a lot of staffs going on, because I have spider sitting on windy dew spider web, with using cloth sim, I have here dragonfly and also water skater bug and dynamic paint ripples it makes on a mud pond. And i animated grass just by giving a soft body to it, no wind force. Birch trees, ferns, flowers, reeds...