Shenzhen

With its eye-catching design comprising two skyscrapers joined by greenery-filled bridges, you could be forgiven for assuming the iCarbonX Headquarters is one of those ambitious concepts destined to stay on the drawing board. However, it's due to begin construction later this year.

The Shenzhen-Hong Kong International Center, by Adrian Smith+Gordon Gill Architecture, is poised to become one of the world's tallest buildings, perhaps even the second-tallest. It will rise to an impressive height of around 700 m (roughly 2,300 ft).

Prolific American firm Kohn Pedersen Fox is responsible for many of the world's tallest skyscrapers and always produces interesting eye-catching designs. The firm's latest project is another standout and the bullet-shaped office building is topped by a stunning light-filled hall.

Recent RIBA Stirling Prize winner Foster + Partners has unveiled two new towers it has planned for Shenzhen, China. The China Merchants Bank HQ will primarily consist of office space and boast some sustainable design, including a rainwater capture system.

Bringing to mind a child's toy building blocks stacked atop each other, the newly-unveiled Vanke Headquarter Tower is another unique and confident design from Dutch firm MVRDV. The mixed-use project will rise to a height of 250 m (820 ft) and straddle a road in Shenzhen, China.

Though some firms are content to design a typical rectangular skyscraper, that's really not BIG's style. Its latest project, named the Shenzhen Energy Mansion, consists of two towers that reduce solar glare and energy requirements with their undulating form and stunning pleated facades.

What do you do when you have too much garbage but not enough energy? Convert one into the other. That’s the thinking behind the waste-to-energy plants that are beginning to pop up around the globe, and now the Government of Dubai has announced plans to build the world’s largest.

The Ping An Finance Centre has been hailed the world's fourth-tallest skyscraper by the CTBUH. Rising to a total height of 599 m (1,965 ft) in Shenzhen, China, the tower is the latest in a series of impressive supertall skyscrapers by Kohn Pedersen Fox.

Use of space and sustainability are key factors in designing the buildings of the future. This is especially evident in the concept designs for a building in Shenzhen, China. Cloud Citizen proposes a sprawling mix of huge interconnected towers, green spaces and environmental features.