Ever since 1903 in Edinburgh the oldest floral clock in the world is planted with thousands of plants with a different design each year to commemorate a special anniversary or event.  This year is the 100th anniversary of the founding of the Royal Incorporation of Architects in Scotland. According to the sign beside the Floral Clock …. This last century has witnessed the most significant and substantial technological change of any period in human history.  A combination of design, innovation and sheer quality continues to characterise the best of our architecture and to improve the lives of all Scotland’s people.
Some of the technology behind the clock is explained in this.