了解中国唐代伟大诗人杜甫的生平和创作，及其对文学和诗歌的热爱和贡献。

A student raises their hand and asks a question to their teacher in a classroom setting.

A young female teacher explains and demonstrates how to define variables in JavaScript, covering the basics of variable declaration and usage.

A domesticated mammal often kept as a pet, known for its loyalty and affection towards humans.

Watch 10-year-old Nayeem Ahmed's impressive street performance in New York City on August 31, 1992.

Watch giant pandas run and play in their native bamboo forests, showcasing their agility and speed.

A stunning 8K digital painting by Artgerm, featuring a woman made of water, with turquoise hair flowing like a waterfall, set against a serene lake backdrop with volumetric lighting and metallic reflections.