In this period of COVID-19, one in which new fast-spreading strains of the coronavirus are developing and vaccination has reached only a small part of the world’s population, travel, especially international travel, has been limited or must be approached carefully or banned to certain places. Instead, the reality is largely immobility, the result of a complex mix of factors: lockdown, masking, social distancing, quarantine, and international travel bans. Already, before the appearance of the pandemic, there was action or calls for action to limit travel to certain destinations because of tourism overload and backlash.
