Murano glass has been a famous product of the Venetian island of Murano for centuries and is still made today using the ancient techniques. The island’s reputation as a glassmaking center was born when the Venetian Republic, fearful of fires that could destroy the city’s mostly wood buildings, ordered glassmakers to move their foundries to Murano in 1291. Although Murano’s glassmakers soon became the island’s most prominent citizens, they had to adhere to one strict rule. What was it? Discuss
Source: The Free Dictionary