Chinese YMCA Building, 51 Bridges Street, Hong Kong - the laying of the corner stone in 1917. Construction was completed the following year. Note the method used in the placement of the cornerstone, the invited guests and dignitaries, and no doubt some workers were among the crowd.
Photo source: uwants.com - post #3458 by user 4rex - http://www.uwants.com/viewthread.php?tid=14833421&page=231#pid227564841
