2015/04/06 Washington Post: Studly panda breaks mating records with 18-minute marathon session

勇猛頑強的功夫熊貓

"The two soon launched into an 18-minute marathon that Chinese officials would later describe in restrained terms simply as "quite successful.""

http://www.washingtonpost.com/blogs/worldviews/wp/2015/04/06/studly-panda-breaks-mating-records-with-18-minute-marathon-session/