World’s inmost blue hole found, with covert tunnels and caverns!
If reports are to go by, researchers may have chanced upon Earth's deepest blue hole—an enigmatic underwater sinkhole whose depths…
The World’s Deepest Pool– The Deepspot– Has Now Opened
The world's deepest pool open to divers has now opened in Poland at an impressive 45m / 148ft
Great news in lockdown times: City completes India’s inmost air shaft
: India’s deepest Metro ventilation shaft, 43.5m deep, equalling a 15-storey building, will be completed on Monday.