People in traditional costumes attend a celebration at the Ethnographic Open-Air Museum of Latvia, in Riga, Latvia, on May 11, 2024. Covering about 87 hectares, this biggest open-air museum in Latvia held its centennial celebration on Saturday. Photo: Xinhua

People demonstrate handicraft techniques during a celebration at the Ethnographic Open-Air Museum of Latvia, in Riga, Latvia, on May 11, 2024. Covering about 87 hectares, this biggest open-air museum in Latvia held its centennial celebration on Saturday. Photo: Xinhua

Children perform traditional dance during a celebration at the Ethnographic Open-Air Museum of Latvia, in Riga, Latvia, on May 11, 2024. Covering about 87 hectares, this biggest open-air museum in Latvia held its centennial celebration on Saturday. Photo: Xinhua

Artists perform during a celebration at the Ethnographic Open-Air Museum of Latvia, in Riga, Latvia, on May 11, 2024. Covering about 87 hectares, this biggest open-air museum in Latvia held its centennial celebration on Saturday. Photo: Xinhua

People perform traditional songs during a celebration at the Ethnographic Open-Air Museum of Latvia, in Riga, Latvia, on May 11, 2024. Covering about 87 hectares, this biggest open-air museum in Latvia held its centennial celebration on Saturday. Photo: Xinhua

People attend a celebration at the Ethnographic Open-Air Museum of Latvia, in Riga, Latvia, on May 11, 2024. Covering about 87 hectares, this biggest open-air museum in Latvia held its centennial celebration on Saturday. Photo: Xinhua