At the time and place stated in the notices mailed by the City Clerk, the City Council shall hear and consider all objections to the proposed removal or correction of said public nuisance or conditions. It may continue the hearing from time to time. By motion or resolution at the conclusion of the hearing, the City Council shall allow or overrule any objections. The decision of the City Council shall be final and conclusive and need not depend upon any particular evidence, showing or findings.