People demonstrate the etiquette of Han Chinese clothing, the national costume of Han people in China, during a sacrificial rite ahead of the winter solstice day, or the Dongzhi Festival which falls on Dec. 22 this year, in Lanzhou, capital of northwest China's Gansu Province, Dec. 21, 2014. Traditionally, the Dongzhi Festival in China is a time for the family to get together. (Xinhua/Chen Bin)

People wearing Han Chinese clothing, the national costume of Han people in China, attend a sacrificial rite ahead of the winter solstice day, or the Dongzhi Festival which falls on Dec. 22 this year, in Lanzhou, capital of northwest China's Gansu Province, Dec. 21, 2014. Traditionally, the Dongzhi Festival in China is a time for the family to get together. (Xinhua/Chen Bin)

A man wearing Han Chinese clothing, the national costume of Han people in China, attends a sacrificial rite ahead of the winter solstice day, or the Dongzhi Festival which falls on Dec. 22 this year, in Lanzhou, capital of northwest China's Gansu Province, Dec. 21, 2014. Traditionally, the Dongzhi Festival in China is a time for the family to get together. (Xinhua/Chen Bin)

A man wearing Han Chinese clothing, the national costume of Han people in China, attends a sacrificial rite ahead of the winter solstice day, or the Dongzhi Festival which falls on Dec. 22 this year, in Lanzhou, capital of northwest China's Gansu Province, Dec. 21, 2014. Traditionally, the Dongzhi Festival in China is a time for the family to get together. (Xinhua/Chen Bin)

People wearing Han Chinese clothing, the national costume of Han people in China, attend a sacrificial rite ahead of the winter solstice day, or the Dongzhi Festival which falls on Dec. 22 this year, in Lanzhou, capital of northwest China's Gansu Province, Dec. 21, 2014. Traditionally, the Dongzhi Festival in China is a time for the family to get together. (Xinhua/Chen Bin)

A woman wearing Han Chinese clothing, the national costume of Han people in China, plays Guqin, a seven-stringed plucked instrument popular in ancient China during a sacrificial rite ahead of the winter solstice day, or the Dongzhi Festival which falls on Dec. 22 this year, in Lanzhou, capital of northwest China's Gansu Province, Dec. 21, 2014. Traditionally, the Dongzhi Festival in China is a time for the family to get together. (Xinhua/Chen Bin)