Editor's Note: Everyone can be a guardian of biodiversity conservation. In China, these guardians contribute to biodiversity conservation in their own unique ways. Follow "the Guardians of Biodiversity" video series to have a look at these adorable animals and learn about these guardians' protection efforts.

Although we often ignore insects due to their small size, they play a crucial role in the earth's ecosystem.

An insect museum in Southwest China's Sichuan province has the largest insect collection in Asia, among which is a 62.4-centimeter-long stick insect, setting the world record for its length. How was it discovered in China? What other species are in the museum, and why should we care about them? Follow our video to find the answers.