In the Singapore Botanic Gardens, the brick staircase that runs alongside the Plant House has become a heavily trafficked spot for young couples and newlyweds to pose for photographs. But these steps hold a heavy history. Also known as the Prisoner of War Steps, they bear the memory of those who were imprisoned during World War II in Singapore under Japanese occupation. The bricks, engraved with tiny, uneven arrows, were constructed by individuals who were incarcerated in Changi Prison. They were later laid by Australian prisoners of war held captive…