(FILES) A handout picture provided by the office of Iran's Supreme Leader Ayatollah Ali Khamenei shows him addressing a meeting with local champions and medalists of sports and world science awards in Tehran on October 20, 2025. Iran's supreme leader Ayatollah Ali Khamenei on January 9, 2026, insisted that the Islamic republic would "not back down" in the face of protests after the biggest rallies yet in an almost two week movement sparked by anger over the rising cost of living. (Photo by KHAMENEI.IR / AFP via Getty Images) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / HO / KHAMENEI.IR" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

A man looks at robots on display at robotics company Unitree's first retail store in Beijing in January 9, 2026. (Photo by Adek BERRY / AFP via Getty Images)

Visitors look at a robot on display at robotics company Unitree's first retail store in Beijing in January 9, 2026. (Photo by Adek BERRY / AFP via Getty Images)

The Go2 robot (R) and G1 humanoid robot are pictured on display at robotics company Unitree's first retail store in Beijing in January 9, 2026. (Photo by Adek BERRY / AFP via Getty Images)

A man looks at a robot on display at robotics company Unitree's first retail store in Beijing in January 9, 2026. (Photo by Adek BERRY / AFP via Getty Images)

Visitors look at a robot on display at robotics company Unitree's first retail store in Beijing in January 9, 2026. (Photo by Adek BERRY / AFP via Getty Images)

Visitors walks past robots on display at robotics company Unitree's first retail store in Beijing in January 9, 2026. (Photo by Adek BERRY / AFP via Getty Images)

A boy touches a robot at robotics company Unitree's first retail store in Beijing in January 9, 2026. (Photo by Adek BERRY / AFP via Getty Images)