හවුල් ශ්‍රව්‍ය

“By the time you see it… it’s already too late…” “A tsunami doesn’t start at the shore…” “It begins deep underwater… when the ocean floor suddenly moves.” “That movement pushes massive water… sending energy across the ocean.” “In deep water, it moves insanely fast… but looks almost invisible.” “So you won’t even notice it…” “Until it reaches land… slows down… and rises into a massive wave.” “And that’s when it becomes deadly…”