Group 1 - The Qixi Festival, also known as the "Double Seventh Festival," is a traditional Chinese festival celebrated on the seventh day of the seventh lunar month, characterized by its romantic themes [2] - The festival has evolved from natural celestial worship and the legend of the Cowherd and the Weaver Girl into a day filled with rich customs and meanings [2] - Traditional foods associated with the festival include "Qiaoguo," a crispy and sweet snack symbolizing skill and ingenuity, along with other treats like sugar and fruits [2] Group 2 - The Qixi Festival was included in the first batch of national intangible cultural heritage in 2006, highlighting its cultural significance [2] - The festival has transcended its origins in China, becoming an international cultural symbol over the past two thousand years [2] - In Japan, people celebrate by writing wishes on colored paper and hanging them on bamboo branches, symbolizing the delivery of wishes to the celestial river [2]