It will feature hologram tour guides, conference rooms that adjust temperatures based on attendance and alerts for the best parking spots before commuters arrive.

"In China today, there has never been smart architecture of this scale, Ivan Wan, general manager and chief architect of Tencent, said in his first interview on the project.

In California, Apple Inc. enlisted Norman Foster for its spaceship building in Cupertino while Facebook Inc. hired Frank Gehry to expand its base in Menlo Park.

The design for Tencent's building came from NBBJ, a firm with a very long list of clients from the tech world, including Amazon.com Inc., Google, Samsung Electronics Co. and the finance affiliate of Tencent s archrival Alibaba Group Holding Ltd.With the second tower reaching 39 stories, Tencent's new building covers 340,000 square meters in the Binhai district, about a mile from the company's existing headquarters.The multi-story connecting bridges, which intersect at floors 1,  21 and 34, aren't just visual elements to link the two buildings.

They also house most of the common areas like pantries, auditoriums, conference rooms, the exhibition center as well as facilitating a 300-meter running track through both buildings.There are also rooftop gardens, a swimming pool and rock climbing center, as well as multiple hotel-standard canteens and meditation rooms dispersed throughout the two buildings.

While the Chinese company drew on all its businesses in designing the building, it still features the personal imprint of founder Ma Huateng, who chose the ergonomic chairs to be used when construction is complete.

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