Watch a massive blue whale glide effortlessly through the ocean, showcasing its incredible size and agility in its natural habitat.

Discover Canada's diverse landscapes, vibrant cities, and rich cultural heritage, from the Rocky Mountains to the Atlantic coast.

一组描述夕阳下的美景和诗情画意的文字，描绘了夕阳下的自然美景和人文情怀。

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.

Watch Dwayne Johnson showcase his DJing skills, blending his charisma and energy behind the decks.

Learn about the guitarra, a stringed musical instrument originating from Spain, its history, types, and playing techniques.

Learn about the fundamental principles of electric circuits, including voltage, current, resistance, and common components like wires, batteries, and switches.