What is Biophilic design?

Biophilic design is a concept used within the space to increase occupant connectivity to the natural environment through the use of direct nature, indirect nature, space and place conditions. 

(Source: Wikipedia)

Besides, Biophilic design can relief stress, enhance creativity and clarity of thought, improve our well-being and expedite healing; as the world population continues to urbanize, these qualities are ever more important.

(Source: 14 Patterns of Biophilic Design: Improving Health & Well-being in the Built Environment, Terrapin Bright Green)