Folk dancers from Bulgaria perform during the IX International Folk Dance Festival "Sudmalinas" in Riga, Latvia, on July 9, 2019. The dance festival held from July 9 to 14 this year aims to bring together dancers from Latvia and other countries to explore folk dance traditions. (Photo: Xinhua)

Folk dancers from Bulgaria perform during the IX International Folk Dance Festival "Sudmalinas" in Riga, Latvia, on July 9, 2019. The dance festival held from July 9 to 14 this year aims to bring together dancers from Latvia and other countries to explore folk dance traditions. (Photo: Xinhua)

Folk dancers from Poland perform during the IX International Folk Dance Festival "Sudmalinas" in Riga, Latvia, on July 9, 2019. The dance festival held from July 9 to 14 this year aims to bring together dancers from Latvia and other countries to explore folk dance traditions. (Photo: Xinhua)

Folk dancers from Chile perform during the IX International Folk Dance Festival "Sudmalinas" in Riga, Latvia, on July 9, 2019. The dance festival held from July 9 to 14 this year aims to bring together dancers from Latvia and other countries to explore folk dance traditions. (Photo: Xinhua)

Folk dancers from Poland perform during the IX International Folk Dance Festival "Sudmalinas" in Riga, Latvia, on July 9, 2019. The dance festival held from July 9 to 14 this year aims to bring together dancers from Latvia and other countries to explore folk dance traditions.(Photo: Xinhua)

Folk dancers from Indonesia perform during the IX International Folk Dance Festival "Sudmalinas" in Riga, Latvia, on July 9, 2019. The dance festival held from July 9 to 14 this year aims to bring together dancers from Latvia and other countries to explore folk dance traditions.(Photo: Xinhua)

Folk dancers from Poland perform during the IX International Folk Dance Festival "Sudmalinas" in Riga, Latvia, on July 9, 2019. The dance festival held from July 9 to 14 this year aims to bring together dancers from Latvia and other countries to explore folk dance traditions.(Photo: Xinhua)

Folk dancers from Latvia perform during the IX International Folk Dance Festival "Sudmalinas" in Riga, Latvia, on July 9, 2019. The dance festival held from July 9 to 14 this year aims to bring together dancers from Latvia and other countries to explore folk dance traditions. (Photo: Xinhua)