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

A demonstration of a USB pen drive being physically broken in half by hand, highlighting its fragility.

Ariana Grande makes a stylish appearance on the blue carpet, waving to fans and posing for photos.

记录了夕阳下田园风光的美丽景象，晚霞、金黄色的小草和摇曳的狗尾草，伴随着晚风，展现了一片宁静而美丽的乡村景色。

A Chinese song performance with a nostalgic and longing tone, evoking a sense of adventure and exploration.

A scientific overview of climate change, its causes, effects, and consequences, based on empirical evidence and research.

Debunking the myth: Space Shuttles were designed for low-Earth orbit, not lunar missions. Explore the facts behind the Space Shuttle program.