What do you mean by the blue sky and white clouds in the healing department?

The blue sky and white clouds in the healing department refer to those that make people feel calm, healing and comfortable. The blue sky and white clouds form a beautiful picture. No matter on the way to work or on the way to an outing, people can't help but take out their mobile phones, spontaneously organize the blue sky to "punch in" for photos and share, and record the different scenery presented at different times and places.