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Tamachi Building Co. Invites Local Nursery School Children to Sweet Potato Dig at Company's Rooftop Garden
-- CSR Activity Provides an Enjoyable Opportunity to Learn about Growing Healthy Food and Safeguarding the Environment -

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On November 8 Tamachi Building Co., Ltd., a Group company of Mitsubishi Heavy Industries, Ltd. (MHI), invited children attending a nearby nursery school to a sweet potato digging event at the rooftop garden of a company-owned building in Minato-ku, in central Tokyo. The event had two aims: to provide the youngsters an enjoyable opportunity outside the classroom to learn about growing healthy food and safeguarding the environment, and to promote exchanges between employees and people from the local community. Tamachi Building has been holding vegetable digging events in early summer and autumn since November 2009 as a way of making social contributions, and the event held in autumn is for sweet potato digging. For this latest event, the thirteenth to date, two types of sweet potato were planted for the first time.

The dig took place on the roof of the Dai Ichi Tamachi Building, which is situated directly across from East Japan Railway's Tamachi Station in Minato-ku. The rooftop of the main building is home to a garden 219 square meters in area, of which 21.5 square meters is used as a vegetable garden. Twenty seedlings each of two types of sweet potato ('beni-azuma' and 'purple sweet') were planted and raised. Sweet potatoes were chosen because they have a high green coverage rate in the summer, when a high insulation effect is required, and because the pleasures of harvesting can be enjoyed in autumn. This time many large sweet potatoes were produced as expected.

30 3-year-old children attending the Minato Ward Shiba Nursery School participated in the event. After receiving an explanation using exhibition panels mainly featuring photos about the growth process of sweet potatoes together with Minato City officials, the children harvested the sweet potatoes with the support of Tamachi Building employees and nursery school staff. The participating children gave shouts of joy as they enjoyed a wonderful autumn day digging potatoes on the rooftop of the building that they can see from their nursery school. They then packed the sweet potatoes that they had harvested into bags, and went home full of smiles.

Tamachi Building was established in 1964 as a wholly owned MHI Group company. Today the company's business scope includes ownership and operation of rental office properties, operation and management of MHI buildings, and related businesses. In line with its business philosophy pledging the provision of safe and comfortable office spaces and high-quality services, and in reflection of MHI's CSR Action Guidelines and environment policies, Tamachi Building proactively undertakes initiatives to protect nature and support education during the performance of its core business operations.

Going forward, Tamachi Building will continue its activities making environmental and local contributions as a way of promoting CSR.
Sweet potato digging event


Group photo of the young participants