[Video provided to chinadaily.com.cn]

A group of distinguished overseas guests sent their best wishes via video to mark the opening of the Shandong Tourism Development Conference 2020, including Zhu Shanzhong, executive director of the United Nations World Tourism Organization, Rasim Ljajić, deputy prime minister of Serbia and the minister of trade, tourism and telecommunications, Nguyen Trung Khanh, chairman of the Vietnam National Administration of Tourism, Yuthasak Supasorn, chairman of the Tourism Authority of Thailand, and Moo Seung Yang, honorary mayor of Seoul.