Yunlei Yang Her research centres on psychology and sociology, delving into the complexities of human behaviour. Adopting a perceptive approach, she investigates the underlying causes of behaviours and employs a "micro to macro" perspective. By using personal or everyday psychological behaviours, she explores broader social phenomena. Her artistic pursuits span diverse mediums, including photography, installations, collages, and performances. Photography book: https://youtu.be/93RK8qJcW9I Video: https://youtu.be/6NoaaCLbU3U The photography collection "Traces" is based on my exploration of self and extends to the influence of the social environment on human psychological cognition and how this impact is generated. The most effective way to showcase the impact of an environment is to find products or objects that are produced or significantly changed as a result of that environment; these static and visible artefacts describe the essence of the environment. Traces are also manifestations of influence resulting from various controllable or uncontrollable factors in life.