Soundscape at Location C / Industrial Park C Soundscape within Yangtai Mountain: The industrial park within Yangtai Mountain is located on the west side of Yangtai Mountain Forest Park; the area is predominantly filled with the sounds of vehicles; this location presents a rich mechanical soundscape where the noise of vehicles interweaves with everyday life sounds and the sound of rain.

Surrounding main wildlife: cicadas, birds，frogs

Acoustic characteristics of weekday sounds: LAeq fluctuates significantly between 45 to 70 dB, peaking at 85 dB, with noticeable variations over time; the soundscape is primarily composed of mid to low-frequency sounds, with mid to high-frequency sounds experiencing more severe fluctuations; there is an auditory lag between the left and right ear, indicating that the sound has a certain degree of directionality.

Soundscape at Location D / Western Yangtai Mountain Industrial Park Soundscape within D area: The Yangtai Mountain Industrial Park is situated on the west side of Yangtai Mountain Forest Park; for the most part, the area is dominated by the sound of vehicles; this place presents a mechanical soundscape where the rumbling of vehicles blends with the chirping of birds and the sound of rain.

Surrounding main wildlife: cicadas, birds 

Acoustic characteristics of weekday sounds:LAeq  fluctuates between 45 to 60 dB, reaching up to 85 dB, with noticeable changes over time; the soundscape is primarily composed of mid to low-frequency sounds; there is an auditory lag between the left and right ear, indicating that the sound has a certain degree of directionality.