PETERSBURG, AK The festivities marking the 100th anniversary of the city of Petersburg are underway. Dozens of local residents gathered Sunday afternoon in the Sons of Norway Hall as the Petersburg’s Centennial Committee and the Petersburg Arts Council unveiled a new logo for the city’s 100th year, and honored local artist Polly Lee for her contributions to the community. Here are some sounds from Sunday’s party, including the voices of centennial committee member Sue Paulsen, mayor Al Dwyer and Polly Lee.