Certificate No. : WRC170801E
As a librarian Kathrien Greren has continuously served in a high school in Alaska for 49 years. Kathrien Greren has been working at the school library since she was 21, and she said she's happy with the kids and enjoying the environment. On August 1, 2017, the World Records Certification has certified it and Kathrien became the longest-serving librarian in the world.
A man who watched most VR conce Certificate No. : WRC170625D
The maximum number of changing Certificate No. :
The world‘s oldest panda in c Certificate No. : WRC-B01612-1
To drag an airplane the furthes Certificate No. : WRC170227E