University of Bristol - Historical Photographs of China reference number: RD-s037.
‘he’ = Prince of Wales, wearing a wide cap in this photograph. Later he became King Edward VIII. This photograph was also reproduced on a post card with the caption: "10 / H.R.H. The Prince of Wales having Tea at the Pavilion, Hongkong".
CAPTION ON PHOTOGRAPH
H.K. April, 1922. / At the Polo Ground, Happy Valley, where he played in a match.
This is somewhat confusing: Cricket Club or Polo Ground?
Update 2022-01-25: Confusion ends, it's the Polo Ground (or to be more precise: Queen's Recreation Ground at Causeway Bay (see comment below).