People celebrate on the last day of Indrajatra Festival in Kathmandu, Nepal, Sept. 17, 2019. The eight-day festival is to mark the end of the monsoon. (Photo by Sunil Sharma/Xinhua)

People celebrate on the last day of Indrajatra Festival in Kathmandu, Nepal, Sept. 17, 2019. The eight-day festival is to mark the end of the monsoon. (Photo by Sulav Shrestha/Xinhua)

People celebrate on the last day of Indrajatra Festival in Kathmandu, Nepal, Sept. 17, 2019. The eight-day festival is to mark the end of the monsoon. (Photo by Sunil Sharma/Xinhua)

People celebrate on the last day of Indrajatra Festival in Kathmandu, Nepal, Sept. 17, 2019. The eight-day festival is to mark the end of the monsoon. (Photo by Sunil Sharma/Xinhua)

People celebrate on the last day of Indrajatra Festival in Kathmandu, Nepal, Sept. 17, 2019. The eight-day festival is to mark the end of the monsoon. (Photo by Sunil Sharma/Xinhua)