Watch Trial and Error (2020) : Full Movie Online Free This Anti-ELAB (Anti-Extradition Law Amendment Bill) Movement documentary short takes us back to the airport occupation on 12 August 2019. Although this new form of protest soon turned into a crisis, it became an important lesson for the protesters. Compared to the tension inside the airport terminal, the long walk home at sunset on the Lantau highway, which connects the Hong Kong International Airport to the residential areas, felt like a reminiscence of a school field trip.