
We explore the Mine-Akiyoshidai Geopark to solve its tri-coloured riddle: White in an off-limits cave, Red, a material that built a historical treasure, and Black, which powered Japan's modernisation.

We explore the Mine-Akiyoshidai Geopark to solve its tri-coloured riddle: White in an off-limits cave, Red, a material that built a historical treasure, and Black, which powered Japan's modernisation.

We explore the Mine-Akiyoshidai Geopark to solve its tri-coloured riddle: White in an off-limits cave, Red, a material that built a historical treasure, and Black, which powered Japan's modernisation.

We explore the Mine-Akiyoshidai Geopark to solve its tri-coloured riddle: White in an off-limits cave, Red, a material that built a historical treasure, and Black, which powered Japan's modernisation.

We explore the Mine-Akiyoshidai Geopark to solve its tri-coloured riddle: White in an off-limits cave, Red, a material that built a historical treasure, and Black, which powered Japan's modernisation.