Liverpool Biennial 2021 announces opening date for its indoor exhibitions After postponing twice, galleries and buildings across Liverpool city centre are poised to launch their Liverpool Biennial exhibitions Updated Evan Ifekoya (B.O.S.S member), Ritual Without Belief (01), 2018. Installation view at Gasworks. B.O.S.S will be exhibiting a new work at FACT for the Liverpool Biennial (Image: Courtesy the artist. Photo: Andy Keate) Liverpool Biennial 2021 will open nine free indoor exhibitions on May 19 in galleries and buildings across the city centre. These shows will complete the festival - adding to the programme of outdoor sculptures and other works that were unveiled in March.