One of the good things that has come out of Covid-19 social distancing is that many companies are improving their online training technology. Those changes can help international travelers. There are now a plethora of online classes one can take.
I recently found these two article recommending online back country safety and outdoor skills classes. If you are stuck at home and want to learn new things, these look like great options. Some of them are even free.
Stay Safe in the Backcountry: Take a Free Online Course
Prepare for Your Next Backcountry Adventure With These Online Outdoor Skills Courses