Keep Hong Kong Clean - Hong Kong PSA (1991).

Public service announcement. Broadcast on ATV World in Hong Kong in December 1991. Please like and subscribe! :) / Copyright © Television Broadcasts Limited Copyright Disclaimer Under Section 107 of the Copyright Act 1976, allowance is made for "fair use" for purposes such as criticism, comment, news reporting, teaching, scholarship, and research. Fair use is a use permitted by copyright statute that might otherwise be infringing. Non-profit, educational or personal use tips the balance in favor of fair use.