Harry Hutchinson diving from a high platform into the Open Air Pool, Hongkou, Shanghai, 1924

Harry Hutchinson diving from a high platform into the Open Air Pool, Hongkou, Shanghai, 1924

Young woman wearing a bathing costume and cap at the Open Air Pool, Hongkou, Shanghai, 1924

Harry Hutchinson diving into the deep end of the Open Air Pool, Hongkou, Shanghai, 1924

Teddie sitting on top of Bill Hutchinson diving from a slide into the Open Air Pool, Hongkou, Shanghai, 1924

Mabel Parker sitting afloat in a lifebuoy in the Open Air Pool, Hongkou, Shanghai, 1924

Mabel Parker sitting on a metal railing at the Open Air Pool, Hongkou, Shanghai, 1924

Harry Hutchinson diving into the deep end of the Open Air Pool, Hongkou, Shanghai, 1924

Harry Hutchinson diving into the deep end of the Open Air Pool, Hongkou, Shanghai. 1924

Sarah Hutchinson sitting in the wooden summerhouse holding a ball of knitting wool, 35 Tongshan Road, Hongkou, Shanghai

Sarah and Bea Hutchinson sitting outside the wooden summer house, 35 Tongshan Road, Hongkou, Shanghai

Sarah and Bea Hutchinson sitting outside the wooden summer house, 35 Tongshan Road, Hongkou, Shanghai

Sarah and Bea Hutchinson sitting in the wooden summer house, 35 Tongshan Road, Hongkou, Shanghai

Sarah and Bea Hutchinson sitting in the wooden summer house, 35 Tongshan Road, Hongkou, Shanghai

Chinese policeman and four American Marines standing in front of Police Box W.1., Shanghai

Italian Royal Navy sailor from RM Libia on lookout in watchtower made of bamboo scaffolding, Shanghai, 1924

American Marines from the USS Barker and a dog, Shanghai

American Marines from the USS Barker, Shanghai

Italian Royal Navy sailors from RM Libia with rifles and a water cooled machine gun at a checkpoint, Shanghai, 1924

British Royal Navy men with a machine gun near a wooden bridge, Shanghai