What happened first, the release of Zooropa or Zoo TV Tour?
Zooropa: Zooropa is the eighth studio album by Irish rock band U2. Zooropa:  Inspired by the band's experiences on the Zoo TV Tour, "Zooropa" expanded on many of the tour's themes of technology and media oversaturation. Zoo TV Tour: The Zoo TV Tour (also written as ZooTV, ZOO TV or ZOOTV) was a worldwide concert tour by rock band U2.
i don't know