Volunteer service built a bridge for them. What was it called?

Volunteer service has built a bridge for them, which is called "Volunteer Bridge". "Volunteer Bridge" is a figurative statement, which means that volunteer service builds a bridge for communication between people and promotes social harmony and unity. By participating in voluntary service, people can better understand and respect people with different cultures, beliefs and life backgrounds, and establish a relationship of mutual trust and cooperation. The essence of voluntary service is to help others and serve the society, and make the society better and warmer through the efforts of volunteers.