The newfound mosaic, dating to nearly 1,600 years ago, shows two spies carrying a cluster of grapes. January 5, 2019 1024 × 560 The newfound mosaic, dating to nearly 1,600 years ago, shows two spies carrying a cluster of grapes. The newfound mosaic, dating to nearly 1,600 years ago, shows two spies carrying a cluster of grapes.