Kansai Airport Sinking: Why It's Still Subsiding in 2026 – Engineering Guide
Listen here, kid. Kansai Airport – world's first major artificial island airport – built on soft clay in Osaka Bay. Sunk 13–17 metres total since 1994, but slowing to 6–21 cm/year with sand drains and seawalls. Uncle explains why it's still sinking in 2026.