This photo taken on Oct. 21, 2025 shows the U.S. Capitol building behind a traffic light in Washington, D.C., the United States.

The federal government shutdown entered its 21st day on Tuesday. (Xinhua/Li Rui)

This photo taken on Oct. 21, 2025 shows the White House in Washington, D.C., the United States.

The federal government shutdown entered its 21st day on Tuesday. (Xinhua/Li Rui)

This photo taken on Oct. 21, 2025 shows the U.S. Capitol building behind a traffic light in Washington, D.C., the United States.

The federal government shutdown entered its 21st day on Tuesday. (Xinhua/Li Rui)

A notice of closure is seen at the entrance of the National Air and Space Museum in Washington, D.C., the United States, Oct. 21, 2025.

The federal government shutdown entered its 21st day on Tuesday. (Xinhua/Li Rui)

This photo taken on Oct. 21, 2025 shows the U.S. Capitol building in Washington, D.C., the United States.

The federal government shutdown entered its 21st day on Tuesday. (Xinhua/Li Rui)

People spend their leisure time in front of the White House in Washington, D.C., the United States, Oct. 21, 2025.

The federal government shutdown entered its 21st day on Tuesday. (Xinhua/Li Rui)

This photo taken on Oct. 21, 2025 shows the U.S. Capitol building in Washington, D.C., the United States.

The federal government shutdown entered its 21st day on Tuesday. (Xinhua/Li Rui)

Teenagers run up and down stairs of the closed National Gallery of Art in Washington, D.C., the United States, Oct. 21, 2025.

The federal government shutdown entered its 21st day on Tuesday. (Xinhua/Li Rui)

A man walks past a notice of closure at the entrance of the National Air and Space Museum in Washington, D.C., the United States, Oct. 21, 2025.

The federal government shutdown entered its 21st day on Tuesday. (Xinhua/Li Rui)