Weavers of Buyi ethnic group gather to weave to challenge the Guinness World Record in Wangmo County, southwest China's Guizhou Province, March 29, 2017. A total of 331 weavers here, with the oldest at 88 years old and the youngest at 40 years old, succeeded in challenging the Guinness World Record. (Xinhua/Zhang Hui)

Weavers of Buyi ethnic group gather to weave to challenge the Guinness World Record in Wangmo County, southwest China's Guizhou Province, March 29, 2017. A total of 331 weavers here, with the oldest at 88 years old and the youngest at 40 years old, succeeded in challenging the Guinness World Record. (Xinhua/Zhang Hui)

Weavers of Buyi ethnic group gather to weave to challenge the Guinness World Record in Wangmo County, southwest China's Guizhou Province, March 29, 2017. A total of 331 weavers here, with the oldest at 88 years old and the youngest at 40 years old, succeeded in challenging the Guinness World Record. (Xinhua/Zhang Hui)