请将以下对话总结在50字以内，重点在于 beach cleanup volunteers 的贡献。  
A: Did you hear about the beach cleanup that took place this weekend?  
B: No, tell me more.  
A: It was amazing! Over 100 volunteers showed up and collected more than 500 pounds of trash.  
B: Wow, that's impressive!  
A: Yes, their effort has significantly reduced the pollution and made the beach much cleaner.  
B: It's great to see people getting involved like this.
user
100多名海滩清洁志愿者周末清理了500多磅垃圾，大幅减少了污染，使海滩变得更加干净。
assistant