In pics: Australia imposes lockdown after spread of delta variant

Empty street in Sydney Harbour because of a lockdown imposed in Melbourne and Sydney to contain a surge in coronavirus cases. (Credits: AFP)

A quiet George Street promenade is pictured on a usually busy evening in Sydney. (Credits: AFP)

Construction work on the city metro is on halt in the central business district after a lockdown in Sydney. (Credits: AFP)

A woman walks along the closed shops in Sydney. (Credits: AFP)

A lone pedestrian wearing a face mask walks along the quiet George Street in Sydney. (Credits: AFP)

A lone passenger sits at a tram stop on a mostly empty city centre street in Melbourne. (Credits: Reuters)

A woman waves to her family members in quarantine at a hotel in Sydney. (Credits: AFP)

Cyclists ride along a quiet walkway under the Harbour Bridge in Sydney. (Credits: AFP)

A man walks on the quiet George Street in the central business district of Sydney. (Credits: AFP)