China has installed a major device on the world's largest transparent spherical detector 700 meters underground to capture elusive neutrinos in Jiangmen City, south China's Guangdong Province. A steel frame in the center of a 44-meter-deep cylindrical water tank was fixed on the sphere. Key components include a stainless steel mesh shell with a diameter of 41 meters, a plexiglass sphere with a diameter of 35.4 meters, and 45,000 photomultiplier tubes that act as "eyes" to detect neutrinos. Studying neutrinos opens the door for humans to understand the universe and existing matters.