Elearning: Minefield or goldmine?

Image: 
Credit: 
phawat
Source: 
Adobe Stock
Credit URL: 
https://stock.adobe.com/uk/contributor/205886463/phawat?load_type=author&prev_url=detail
Alt Tag: 
The pure gold ore found in the mine is in the hands of men
Title Tag: 
The pure gold ore found in the mine is in the hands of men