In the video, a man is seen riding a skateboard. He approaches a metal railing and jumps onto it with his skateboard. He then grinds along the railing, maintaining his balance as he moves. After a few seconds, he jumps off the railing and lands back on the ground, continuing to ride his skateboard. The man is wearing casual clothing and appears to be skilled at skateboarding. The surroundings suggest that he is in an urban environment, possibly a park or a skateboarding area. The video captures the man's movements in slow motion, highlighting the precision and control required for such a trick.