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Rising seas test defenses of South American ports

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83% Informative

Rising ocean levels in South America's Pacific coast are causing more frequent storm surges.

The state-run port of San Antonio , Chile , is frequently lashed by swells several meters high.

The biggest port in the South Pacific , Callao port in Peru , is protected by a breakwater nearly 13 meters ( 43 feet ) high.

Half of the wall has already been reinforced, helping reduce the number of days the port is out of action.