Documentary films are a powerful medium to communicate complex ideas, social issues, and historical events. They are not just about entertainment; they are about education, inspiration, and reflection. The impact of documentaries on viewers is profound, and their观后感（观后感指观众在观看电影、电视剧等后的感受和想法）往往充满深度和思考，In this article, we will explore the influence of documentaries on viewers and their insightful reviews in English.

Documentaries often present a raw and honest portrayal of real-life situations, which makes them unique and engaging for viewers. They delve into various topics ranging from social injustices to natural wonders, from historical events to contemporary challenges. The impact of these documentaries is vast and diverse, affecting people from different backgrounds and cultures.

One of the most significant impacts of documentary films is the emotional response they create. The stories presented in these films are often heartfelt and emotional, which resonate deeply with the audience. Viewers are moved, inspired, and challenged by the stories they see on screen, which often leads to a change in their perspectives and attitudes.

Documentaries also provide a platform for education and awareness. By presenting facts, figures, and historical events in a narrative format, documentaries help viewers understand complex issues that might be difficult to grasp through traditional educational methods. They help people understand social issues, global challenges, and historical events in a more profound way.

Moreover, documentaries have the ability to spark conversations and debates. They often present controversial topics that challenge people's beliefs and values. By doing so, they encourage viewers to think critically and reflect on their own views. This process of critical thinking often leads to a change in perspectives and a more open-minded approach to different cultures and beliefs.

The reviews and观后感of documentary films often reflect the profound impact they have on viewers. People often share their thoughts, emotions, and reactions to these films on social media platforms or through written reviews. These reviews are often insightful and thoughtful, reflecting the depth of the impact these films have on people's lives.

For instance, many viewers express their gratitude for documentaries that present social issues in a raw and honest manner. They feel that these films give them a voice and a platform to discuss important issues that might not be discussed in their daily lives. Others are moved by the stories they see on screen and are inspired to make a change in their own lives or in their communities.

On the other hand, some viewers might challenge the perspectives presented in the documentaries or question certain aspects of the film. This is an indication that the documentaries have sparked a conversation or debate within them, leading them to think critically about the issues presented. Such reviews often provide valuable feedback for documentary makers, enabling them to improve their craft and reach a wider audience.

In conclusion, documentary films have a profound impact on viewers, affecting their emotions, perspectives, and attitudes. The reviews and观后感of these films often reflect the depth of this impact, providing valuable insights for documentary makers and other viewers alike. By watching documentaries, people are not just entertained but also educated, inspired, and challenged in ways that are meaningful to their lives.