queue

Hotly debated for nearly a decade, the system has, however, raised concerns among transport providers and passengers, who fear it could lead to longer queues at airports and train stations.

Those caught up in the queues spoke to the BBC on condition of anonymity.

Mobile-order pickup queues are being better sectioned off, an effort to tamp down on crowding and confusion.

"I saw displaced children just spending their time in queues for food and water - not having a childhood, and I wanted to do something, for them," she says.

They have been queuing up for a year down under.