This photo was taken at an offshore location (platform), from Workboat Ajang Hormat at
The supposed ghost is at the upper-right side of the photo. Can you see it?
Many offshore locations (especially the older platforms) are said to be haunted.
To this day, many workbarges and workboats are said to have prayers and "cleansings" performed onboard by local bomohs prior to mobilization.
*Originally stated as Sarawak waters. Many thanks to the Anonymous commenter for the correction and additional details. Please refer to the comments below for details on the location.