HKTB and STB Collaborate on the Launch of the Bilateral, All-Purpose and Quarantine-Free Air Travel Bubble *Click the Title above to view complete article on https://asianjourneys.com.sg/. The first flights take off 22 November 2020 2020-11-12T13:33:00+05:00 HKTB and STB Collaborate on the Launch of the Bilateral, All-Purpose and Quarantine-Free Air Travel Bubble HKTB and STB Collaborate on the Launch of the Bilateral, All-Purpose and Quarantine-Free Air Travel Bubble HKTB and STB Collaborate on the Launch of the Bilateral, All-Purpose and Quarantine-Free Air Travel Bubble HKTB and STB Collaborate on the Launch of the Bilateral, All-Purpose and Quarantine-Free Air Travel Bubble