From Bohemian Ballad and Black Rain Is Comming to Eight Feet of Snow, Hong Kong poet Liao Wei-tung's roaming, as shown in his writing, is undoubtedly an ascetic practice, using the accordion of poetry to sing the tunes of painful dreams, life and death. As far as the writing field is concerned, Liao Wei-tung's poetry displays a state of frequent transformation of regions and constant "dérive" of the subject positions as he traveled from Hong Kong, Beijing, Paris to Taiwan. "Dérive" develops two types of strategies for artistic practice: constructing partial "situation" (in language features) and picking up "landscape" fragments (in thinking). The former combines all kinds of chance encounters, perceptions and imaginations with the local customs of Taiwan, and uses techniques such as montage, collage and splicing to present an aesthetic code against rationality and cultural hegemony in a perceived, alienated space. In the latter strategy, the poet himself is a melancholy scavenger in the tunnel of history and reality, picking up the ubiquitous pieces of the "landscape" on the island of Taiwan, giving them a poetic gaze which microscopically materializes into "events," passing through the "phantasmagoria" of the alienated urban space, and finally rescuing the authentic affinity between humans and the world from the oppression of the present landscape