A test video to ensure functionality and quality.

回顾中国共产党成立以来的一百年，实现救国、兴国、富国、强国的奋斗目标，书写人类发展史上壮丽史诗。

Actor Tom Hanks stands outside in his yard with two massive dogs that dwarf him in size, showcasing their impressive height and gentle nature.

A unique illustration of a grey alien wearing a traditional cowboy hat from the 1800s, blending science fiction and western themes.

A person enters from the left, walks, sits in a box, and undergoes a transformation from sadness to happiness before exiting to the right.

A lighthearted moment with Arnold Schwarzenegger, the actor and former Governor of California, completely covered in flour.

Billionaire entrepreneur Elon Musk takes a spin in a sleek, open-top Ferrari, showcasing the luxury sports car's speed and style.