Best Photos of the Day

A visitor looks at clothes used by spies as part of the exhibition "Espions" (Spy) at the Cite des Sciences et de l'Industrie ( City of Science and Industry) the biggest science museum in Europe on October 14, 2019, in Paris. Christophe ARCHAMBAULT / AFP

This picture taken on October 14, 2019 shows a shadowing cell as part of the exhibition "Espions" (Spy) at the Cite des Sciences et de l'Industrie ( City of Science and Industry) in Paris. Christophe ARCHAMBAULT / AFP

A visitor walks through a ventilation duct as part of the exhibition "Espions" (Spy) at the Cite des Sciences et de l'Industrie ( City of Science and Industry) the biggest science museum in Europe on October 14, 2019, in Paris. Christophe ARCHAMBAULT / AFP

This picture taken on October 14, 2019 shows an intelligence meeting room as part of the exhibition "Espions" (Spy) at the Cite des Sciences et de l'Industrie ( City of Science and Industry) in Paris. Christophe ARCHAMBAULT / AFP

A visitor walks through a corridor equipped with laser beams as part of the exhibition "Espions" (Spy) at the Cite des Sciences et de l'Industrie ( City of Science and Industry) the biggest science museum in Europe on October 14, 2019, in Paris. Christophe ARCHAMBAULT / AFP

This picture taken on October 14, 2019 shows technical intelligence captation tools as part of the exhibition "Espions" (Spy) at the Cite des Sciences et de l'Industrie ( City of Science and Industry) in Paris. Christophe ARCHAMBAULT / AFP

Visitors listen to recordings phone calls as part of the exhibition "Espions" (Spy) at the Cite des Sciences et de l'Industrie ( City of Science and Industry) the biggest science museum in Europe on October 14, 2019, in Paris. Christophe ARCHAMBAULT / AFP

A man uses a tool to detect hidden microphones as part of the exhibition "Espions" (Spy) at the Cite des Sciences et de l'Industrie ( City of Science and Industry) the biggest science museum in Europe on October 14, 2019, in Paris. Christophe ARCHAMBAULT / AFP

Visitors watch video surveillance monitors as part of the exhibition "Espions" (Spy) at the Cite des Sciences et de l'Industrie ( City of Science and Industry) the biggest science museum in Europe on October 14, 2019, in Paris. Christophe ARCHAMBAULT / AFP

A man uses a tool to detect hidden cameras as part of the exhibition "Espions" (Spy) at the Cite des Sciences et de l'Industrie ( City of Science and Industry) the biggest science museum in Europe on October 14, 2019, in Paris. Christophe ARCHAMBAULT / AFP