Cynthia Bir is known for her work on Killer Legs (2016), National Geographic Presents: Super Strength (2008) and Sport Science (2007).
音乐
2020-10-06
9.0分
演员
饰：Herself
2014-04-13(英国)
5.0分
2013-11-01(美国)
8.0分
饰：Self - Biomechanical Engineer
2012-10-07(美国)
7.7分
道具师
2011-07-10(美国)
