"engineering challenges"

#13134797

28 December 2025

A general view of the construction site for the California High-Speed Rail Project in Fresno, California, on August 7, 2025. The California High-Speed Rail Authority faces years of delays, missed deadlines, and rising costs. Construction takes place only in the Central Valley portion of the San Francisco-to-Los Angeles route.

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#13134798

28 December 2025

A general view of the construction site for the California High-Speed Rail Project in Fresno, California, on August 7, 2025. The California High-Speed Rail Authority faces years of delays, missed deadlines, and rising costs. Construction takes place only in the Central Valley portion of the San Francisco-to-Los Angeles route.

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#13134799

28 December 2025

A general view of the construction site for the California High-Speed Rail Project in Fresno, California, on August 7, 2025. The California High-Speed Rail Authority faces years of delays, missed deadlines, and rising costs. Construction takes place only in the Central Valley portion of the San Francisco-to-Los Angeles route.

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#13134800

28 December 2025

A general view of the construction site for the California High-Speed Rail Project in Fresno, California, on August 7, 2025. The California High-Speed Rail Authority faces years of delays, missed deadlines, and rising costs. Construction takes place only in the Central Valley portion of the San Francisco-to-Los Angeles route.

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#13134801

28 December 2025

A general view of the construction site for the California High-Speed Rail Project in Fresno, California, on August 7, 2025. The California High-Speed Rail Authority faces years of delays, missed deadlines, and rising costs. Construction takes place only in the Central Valley portion of the San Francisco-to-Los Angeles route.

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#13134802

28 December 2025

A general view of the construction site for the California High-Speed Rail Project in Fresno, California, on August 7, 2025. The California High-Speed Rail Authority faces years of delays, missed deadlines, and rising costs. Construction takes place only in the Central Valley portion of the San Francisco-to-Los Angeles route.

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#13134803

28 December 2025

A general view of the construction site for the California High-Speed Rail Project in Fresno, California, on August 7, 2025. The California High-Speed Rail Authority faces years of delays, missed deadlines, and rising costs. Construction takes place only in the Central Valley portion of the San Francisco-to-Los Angeles route.

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#13134804

28 December 2025

A general view of the construction site for the California High-Speed Rail Project in Fresno, California, on August 7, 2025. The California High-Speed Rail Authority faces years of delays, missed deadlines, and rising costs. Construction takes place only in the Central Valley portion of the San Francisco-to-Los Angeles route.

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#13134805

28 December 2025

A general view of the construction site for the California High-Speed Rail Project in Fresno, California, on August 7, 2025. The California High-Speed Rail Authority faces years of delays, missed deadlines, and rising costs. Construction takes place only in the Central Valley portion of the San Francisco-to-Los Angeles route.

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#13134806

28 December 2025

A general view of the construction site for the California High-Speed Rail Project in Fresno, California, on August 7, 2025. The California High-Speed Rail Authority faces years of delays, missed deadlines, and rising costs. Construction takes place only in the Central Valley portion of the San Francisco-to-Los Angeles route.

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#13134807

28 December 2025

A general view of the construction site for the California High-Speed Rail Project in Fresno, California, on August 7, 2025. The California High-Speed Rail Authority faces years of delays, missed deadlines, and rising costs. Construction takes place only in the Central Valley portion of the San Francisco-to-Los Angeles route.

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#12941496

2 November 2025

Young Iranian robotics specialists sit together before participating in a competition during Iran's 2025 Tech Olympics at Pardis Technology Park, east of Tehran, Iran, on October 29, 2025.

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#12937934

2 November 2025

Young Iranian robotics specialists prepare their robots to participate in the Robot Warriors competition, held during Iran's 2025 Tech Olympics at Pardis Technology Park, east of Tehran, Iran, on October 28, 2025.

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#12881723

19 October 2025

Participants race on the track during the 2025 Soap Box Car Race in Bandung, West Java, Indonesia, on October 19, 2025. The competition, a creative vehicle race without an engine that relies on gravity, crosses a 250-meter race track and is attended by at least 75 participants from a number of campuses and vocational schools.

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#12881724

19 October 2025

Participants race on the track during the 2025 Soap Box Car Race in Bandung, West Java, Indonesia, on October 19, 2025. The competition, a creative vehicle race without an engine that relies on gravity, crosses a 250-meter race track and is attended by at least 75 participants from a number of campuses and vocational schools.

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#12881725

19 October 2025

Participants race on the track during the 2025 Soap Box Car Race in Bandung, West Java, Indonesia, on October 19, 2025. The competition, a creative vehicle race without an engine that relies on gravity, crosses a 250-meter race track and is attended by at least 75 participants from a number of campuses and vocational schools.

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