Wenders pitched his story idea to Australian author Peter Carey, hoping that Carey would write the screenplay. It took him six hours to tell Carey the story.
The money just ran out to shoot in China, so actress Solveig Dommartin and one camera person surreptitiously shot the Chinese scenes in the film (seen on VideoFax in Paris by Eugene) completely on their own.
When many of the European characters leave the Mbantua settlement and take a group photo, believing the adventure to be over, the voice-over mentions that it is February, 2000. Yet shortly after we see Henry Farber trying a new series of experiments on recording dream imagery, and a computer display for the current experiment says January 21.
When Bert is shown as the guitarist in Chico's impromptu band for the first time, he hands the guitar to the green-shirted man on the bridge while the rest of the band keeps playing. But when the scene cuts to a different angle, Bert is still playing the guitar.