Tao Zhu Yin Yuan (Agora Garden)

Taipei, Taiwan

Tao Zhu Yin Yuan is a 21-storey, 40-home luxury tower at 68 Songgao Road in Taipei's Xinyi district, designed by Vincent Callebaut with floor plates that rotate through 90 degrees in a double-helix form and terraces planted to absorb carbon. It is among Taiwan's most expensive residences; a fifth-floor unit sold in July 2026 for about NT$940 million, around NT$3 million per ping.