Tables are arranged to form Chinese character jiu, which means "nine" in English, in Huaying city, Southwest China's Sichuan province, Oct 26, 2017. [Photo/Xinhua]

The ninth day of the ninth lunar month marks the traditional Chongyang Festival, or Double Ninth Festival, which falls on Oct 28 this year.

As Double Ninth Festival is also the Seniors' Day in China, many events will be held across the country to pay respect to the elderly people.