Thai Prime Minister Prayuth Chan-ocha (6th L) and officials participate in a public event held by the Anti-Corruption Organization of Thailand (ACT) to mark the National Anti-Corruption Day at the Sanam Luang square in Bangkok, Thailand, Sept. 11, 2016. Thailand observes the National Anti-Corruption Day annually on Sept. 6. (Xinhua/Rachen Sageamsak)