International travel could plummet by as much as 80% over the course of 2020 as a result of the COVID-19 pandemic, the UN World Tourism Orgnaization (UNWTO) has warned.The above snippet is the first part of an article sent to subscribers in Travel Daily's issue from 08 May 20 To see the full story, see the embedded issue below or CLICK HERE to download Travel Daily from 08 May 20