Yearender: A list of 2021's top 10 global events

With the world ringing into the New Year under the shadow of the Omicron variant of coronavirus, the devastating Delta wave of COVID-19 in 2021 would haunt people despite a rapid vaccination worldwide. IBNS correspondent Supriyo Hazra looks back at the 10 mega events of the year which also saw a world forsaken Afghanistan overrun by Taliban as the foreign troops left the war-ravaged country.