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Claypaky's architectural lights illuminate the nativity scene in St. Peter's Square
Rome – Just for the 2018 Christmas holidays, the Vatican City has set up a unique, highly original nativity scene in St. Peter's Square, with a distinctive fundamental feature: it is made of sand!
The nativity scene was donated by the Municipality of Jesolo, Italy, which has celebrated Christmas for the past 17 years with Jesolo Sand Nativity, an exhibition of nativity scenes made from sand by artists from all over the world. So, when a large box of compressed sand was placed in the middle of one of the most famous square in the world at the end of November, everyone knew that St. Peter would be playing host to an extra guest this year.
The work was created by a team of artists, who gradually shaped the block of sand to create a true three-dimensional sculpture. The nativity scene is housed in an aluminium casing with power-driven curtains that protect the sculpture from the elements.
Architect Carlo Tagliapietra looked into many possible ways of illuminating the work with different types of light. In the end, he chose Odeon Flood units made by Claypaky, a company belonging to the Osram Group. Thanks to the Odeon’s dynamic white light mode, Tagliapietra was able to select the best kind of light to blend with the colour of the sculpture.
Odeon Flood is a complete line of compact lights manufactured by Claypaky for architectural use. They are available with different optical units (15°, 25° and 35°) and various surface finishes. They feature OSRAM's high-power multi-chip LED technology, which ensures excellent colour mixing and allows electronic brightness control. These units are perfect for illuminating historical and artistic monuments, public and private buildings, bridges, architectural structures, parks and gardens. Their IP65 and IK09 protection ratings and working temperature (from -25 °C to +50 °C / -13 °F to +122 °F) ensure long life and reliability over the years, even in particularly adverse weather conditions.
Eight Mini RGBW Odeon Flood units with a 25° beam angle were used to illuminate the nativity scene in St. Peter's Square from above, and a 15° beam angle model was pointed at the crib. Accurate adjustment of the light intensity and precise crossing of the light beams gave volume and depth to the sculpture.
The project was developed by OSRAM through its Claypaky brand, and supervised by architect Carlo Tagliapietra with the support of the technical services department of the Governorate of the Vatican City State. The creative team worked hard to reduce the shadows produced by the three-dimensional sculpture in the bas-relief areas.
During the programming stage, Carlo Tagliapietra and Massimiliano Biava, Claypaky's project manager for the architectural line, regarded the sculpture as consisting of three conceptual sections. They kept the colour temperature constant in the middle for the crib and used a warmer white on the other sections. Ten second dynamic white lighting cycles from 3200K to 4000K were set up using a special control system. Riccardo Garbuio from Arcadia Digital provided valuable support during the rigging and programming stage. Such a rare, unusual nativity scene inevitably aroused great interest among the thousands of visitors to St. Peter's Square during the Christmas period, and received great media coverage worldwide. The sculptors highly appreciated the lighting, and defined it as: "the most effective we have ever been provided with to enhance our work".
10th January 2019
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