During the COVID-19 crisis, some medical students at school in Pokhara, Nepal, went to rural Himalayan villages to teach about the virus. Others go home to challenge social inequities.
Long before coronavirus hit Australia we were moving less between states and regions. Some worry about economic impacts, but a greater concern is inequality if some people find themselves 'trapped'.
In its Brexit white paper, the UK government proposed a new UK-EU youth mobility scheme. But the details remain vague.