Every winter, Qinghai Lake welcomes hundreds of whooper swans.
A group of whooper swans have been captured flying and cruising in Qinghai Lake by photographers.
A group of whooper swans have been captured flying and cruising in Qinghai Lake by photographers.
A group of whooper swans have been captured flying and cruising in Qinghai Lake by photographers.
A group of whooper swans have been captured flying and cruising in Qinghai Lake by photographers.
However, a group of people in white protective suits never stop shuttling between the tarmac...