More than 100 years after the construction of the engineering marvel that linked the Atlantic and Pacific oceans — and 25 years after the canal was returned to Panama by the US — the Panama Canal faces renewed intimidation from US President Donald Trump.

They say they fought too hard to wrest it from the U.S. to now hand back the waterway, which is part of the nation’s identity.

Experts dispute President Donald Trump’s claims that the Panama Canal is controlled by China and overcharging U.S. ships.