The 2015 Edinburgh Art Festival launched today with the – metaphorical – unveiling of Charles Avery’s fantastical tree at Waverley Station and two exhibitions  – a Bernat Klein retrospective, A Life in Colour, and Korean artist, Kwang Young Chun’s first solo Scottish exhibition, Aggregations – at the Dovecot Gallery in Infirmary Street. Both are open to the public from 31st July to 26th September.