Footage of busy city streets on a rainy day, with people rushing to their destinations under colorful umbrellas.

Watch as Dwayne 'The Rock' Johnson humorously takes a literal rock for a stroll, showcasing his playful personality.

Explore the incredible defense system of the human body, from the different jobs and components of the immune system to its response to infections and how it keeps you safe.

Watch the 6 God in action as Drake delivers his signature smooth flow and introspective lyrics in this compilation of live rap performances.

Watch a high-speed passenger train zip through lush green countryside on a rainy day, captured in a realistic wide-angle shot.

Watch as a car appears to teleport to different locations around the city at night, its lights illuminating the dark streets.

Senator Bernie Sanders takes a break from campaigning to grab a quick bite at a fast food restaurant, giving a glimpse into his eating habits on the road.