What do you do if toilet paper is sold out and using other kinds of paper will clog the pipes?
If you are scared of roller coasters, zip lining will be 10 times more scary, but it could also be 10 times more fun. Our youtube channel has over 3 million views, to celebrate, I am “risking my life” to make this video. I will never forget this adventure! If you have never tried zip…
Christmas Greetings From Dr. Zhang This video (my first xmas video) is not intended to be professional but I hope my message is clear and useful to you. Please leave comments or suggestions so that I can improve next year. I promise I will make this every year as long as I live and am…