Troides helena common in many of the localities in which it occurs, was classified as vulnerable in 1985. Helen in Greek mythology Helen was the daughter of Zeus. Cerberus or Kerberos, in Greek and Roman mythology, is a multi-headed hound which guards the gates of the Underworld. This species is protected under Wild Animals Protection Ordinance Cap 170 in Hong Kong. The common birdwing is protected in Indonesia and may also require protection in peninsular Malaya also. It is listed in Appendix II of Convention on the International Trade in Endangered Species of Wild Flora and Fauna (CITES) as are all other
Greek underworld and on the earth above them. Their lives in the underworld were very neutral, so all social statuses and political positions were eliminated and no one was able to use their previous lives to their advantage in the underworld. The idea of progress did not exist in the Greek underworld – at the moment of death, the psyche was frozen, in experience and appearance. The souls in the underworld did not age or really change in any sense. They did not lead any sort of active life in the underworld – they were exactly the same as they were in