MC #10 sent this text to you,
it's not really a true clue,
but for all ten sites in the secret crew,
they wanted to be sure to welcome you!
"Hello classes from around the world. HAYD. U-L HF researching 2 find
us and the other 9 sites. We hope U-L learn something new about each
site! GL trying to find each '20' on the globe. MTFBWY.