On August 12, Wanlv Park witnessed the shooting ceremony of image trailer for Haikou's bid to host the 2017 World Petroleum Congress. In 2013, World Petroleum Council will vote for the host city of the 22nd World Petroleum Congress on their committee conference. The candidate cities will then present an 8-minute image trailer in order to fully display their images and dedication. With a highest prize of 10000 yuan, Haikou has also started the public solicitation for the logo design of the 22nd World Petroleum Congress. The logo design is expected to be innovative and stylish.