Massive thanks for article and more in particular this site. Ever since high school I have struggled with n-d space (for n>3), this site and previous article in

Massive thanks for article and more in particular this site. Ever since high school I have struggled with n-d space (for n>3), this site and previous article in the blog http://bastian.rieck.me/blog/posts/2019/manifold/ http://bastian.rieck.me/blog/posts/2019/manifold/ is an amazing introduction.