http://www.wikiwand.com/en/Vana_Parva
The sage tells the story of Mudgala, who after his death, refuses to go to heaven, prefers the path of knowledge instead. The swans carrying Mudgala (below) signify his moksha.
https://en.wikipedia.org/wiki/Mudgala
https://www.youtube.com/results?search_query=Mudgala
https://www.slideshare.net/search/slideshow?searchfrom=header&q=Mudgala
