sentences:  Work on Apollyon Sun's third album, tentatively titled "Flesh", began as early as 2000, this time at the band's own newly expanded studio facilities in Switzerland as well as at Unala's and Fischer's home recording studios.The resurgence of Celtic Frost and the songwriting and recording work for Celtic Frost's first album in 13 years served to temporarily put Apollyon Sun on hiatus and interrupt work on "Flesh" - Celtic Frost had not only required Fischer's services again but also asked Unala to join the re-formed project as the band's guitarist and programmer.Apollyon Sun's activities has remained on hold since Fischer and Unala departed for Celtic Frost.