They included two that the farm calls the factory, used to start the culturing process and for offices, and two more that it calls the pearl research institute, used for oyster breeding and research.
Floating on the bay’s surface nearby was a series of large platforms, grid-like structures that, underwater, held nets with thousands upon thousands of oysters, their pearls slowly developing.
The inspiration for cultivation began in the late 1800s, when the Akoya oysters in the Ago Bay region were being overharvested for their pearls.
The anniversary marks 1893, when he first cultured a semi-spherical pearl; in 1896, when he could do it consistently, he established the Tatoku farm.
“This region is suited for pearl harvest because of the enclosed sea, which means the water is calm,” Junya Yamamura, the farm and factory manager, said, referring to the bay.