Erosion caused the natural archway in the remote Pacific islands to fall into the sea, officials said.
Search teams from several countries had been looking for the navy vessel, which disappeared this week with 53 people aboard.
Each summer, salmon begin their journey back to the rivers where they were spawned. Alaskan fishermen, along with whales, eagles and bears, share in the abundance.
The aquatic mammals’ sound waves penetrate into the rocks under the waves, which could assist seismologists’ surveys.
The Trump administration’s moves to decouple the two economies means less leverage over Beijing’s green policies.
Three days after their boat ran out of fuel and drifted off course in Micronesia, the men were found in good condition after a plane saw their giant plea for help spelled out on the sand.
Rescued from their cold, cramped and nutrient-poor homes, the bacteria awoke in the lab and grew.
The powerful storm is on a path toward hitting Luzon, the country’s largest and most populous island, on Saturday.