Explanation: The Byzantine Empire, interested in claiming some of that sweet silk income for themselves, sent monks on a secret mission to China to discover and retrieve the mysterious means of silk production! Posing as merely innocent clergymen, they managed to hide silkworm eggs in hollowed out walking sticks, successfully evading all checkpoints which were meant to prevent the secret of silk creation from slipping out.
Explanation: The Byzantine Empire, interested in claiming some of that sweet silk income for themselves, sent monks on a secret mission to China to discover and retrieve the mysterious means of silk production! Posing as merely innocent clergymen, they managed to hide silkworm eggs in hollowed out walking sticks, successfully evading all checkpoints which were meant to prevent the secret of silk creation from slipping out.