Summersonic Tops Asia in Inaugural 'Global Festival Attractiveness Index'
Yanolja Research Unveils Data-Driven Rankings, Showcasing the Overwhelming Experience Quality of Japanese Cultural Events SEOUL, South Korea, June 8, 2026 /PRNewswire/ — Yanolja Research, a global research institute specializing in the travel and tourism industry, today announced the launch of the "Global Festival Attractiveness Index" also known as the "Yanolja Festival Index," a pioneering framework […]







