In particular, logo entries should blend the elements of Shanghai and the Expo in the year 2010, and incorporate the Expo's theme and volunteerism, including their Chinese versions.

The Expo ’74 logo was similar to the three-arrow recycling symbol, which also used the triangular form of the Mobius strip, and which was already familiar at the time.

That ring became the basis for Expo 2020 Dubai’s now-familiar logo which was unveiled by Sheikh Mohammed at a ceremony in 2016, where it was projected in gold light on to the Burj Khalifa.

The needlepoint creation is a detailed depiction of the logo's concentric circles and rings outlined in thousands of tiny stitches on a white background and outlined by a golden frame. “Expo 2020 ...