Six years after his first solo exhibition at Para Site, Apichatpong Weerasethakul has come back to Hong Kong to present his recent artworks at Kiang Malingue Gallery. The Thai artist and film director has played with the gallery’s unusual architecture, filling its high ceilings and empty spaces with haunting presences, widening hitherto invisible fault lines and holes from which the mind can easily flee away. Conceived as a calm, meditative exhibition, A Planet of Silence gathers an incredibly rich array of works from different series, reflecting the multiple experimental approaches of the artist’s practice.  It opens with A Minor History (2021), Apichatpong’s recent series of photographs taken in Isan, Thailand’s northeastern region and the artist’s homeland. He travelled there during Covid, along the Mekong River, staying in different hotel rooms that he photographed. The departure point of his journey was a piece of news about the murder of two political dissidents, whose bodies were found in the river. However, many more issues coalesce in this eerie series, which portraits the Mekong as a witness and …