Trump says the United States is building a wall in Colorado ... a state that doesn't limit Mexico

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(CNN) - During a speech on American energy in Pittsburgh on Wednesday, President Donald Trump talked about his usual issues before making an unusual comment about his long-standing border wall.

“We are building a wall on the border of New Mexico. And we are building a wall in Colorado, ”Trump said. Colorado, located directly north of New Mexico, is not on the border between the United States and Mexico.

Trump's comments follow the failure of Republicans who control the Senate last week to overturn the national emergency declaration the president used to pay a wall on the U.S.-Mexico border, a 2016 campaign promise. The Pentagon in September, it diverted 3.6 billion military construction funds from 127 projects worldwide to pay for 11 wall projects on the southern border of the United States, a measure that provoked the anger of several legislators.

Trump announced the national emergency in February after not being able to persuade Congress to approve additional funds for the wall. Congress later rejected it and Trump responded with his first veto. By law, Congress can try to block the declaration every six months, but so far it has not been able to annul the president's decree.

On Wednesday, Trump went on to say that the wall would be "a big one that really works: you can't go over it, you can't go under it."

READ : Some say that Mexico has already built Trump's wall, and that he paid for it. This is the reason

"We are building a wall in Texas," he said. "And we are not building a wall in Kansas, but they get the benefit of the walls just mentioned."

Later on Wednesday, Colorado Democratic Governor Jared Polis responded to Trump's comments on Twitter.

Well this is awkward… Colorado doesn't border Mexico. Good thing Colorado now offers free full day kindergarten so our kids can learn basic geography pic.twitter.com/bEXLDJYUku

- Jared Polis (@GovofCO) October 23, 2019

"Well, this is awkward ... Colorado doesn't limit Mexico," Polis wrote. "The good thing is that Colorado now offers free full-day kindergarten so our children can learn basic geography."

Alex Rogers and Ted Barrett of CNN contributed to this report.

Anti-immigrant wall