A 21-year-old college student's dubbing vlog has gone viral on the internet. She could swiftly shift from a sweet little girl to a female go-getter or even a SpongeBob voice. A student from Xi'an Polytechnic University, Zhang Ziyan is also a vocal vlogger with over 150,000 fans and 100,000 hits so far. Watch the video for more. (video by Huo Yan)