YILAN, Taiwan (JTA) — It was a cool spring day in Yilan, a town on Taiwan’s northeast coast known for its picturesque rice fields and delicious spring onions. On a concrete clearing beneath a bridge that doubled as a dance floor, against a cloudy mountainous backdrop dotted with white cranes, about 10 Taiwanese adults danced expertly to classic Israeli folk music — songs such as “ Hinei Matov ,” “ David Melech Yisrael ,” “ Sulam Yaakov ” — and other folk tunes from around the world. Altogether, over 35 dances were practiced over three hours. For many of these...