The Warsaw Hub
The Warsaw Hub, previously known as Sienna Towers, is a complex of mixed-use buildings under construction by Belgian real estate developer Ghelamco in Warsaw, Poland. It consists of two 130m buildings and an 86-metre building. The two main towers will be joined by three bridges on the upper floors. The Warsaw Hub started construction in the first quarter of 2016 and is estimated to be completed by mid 2020, at a cost of one billion polish złoty.
Warsaw Hub Fire
On 7 June 2019, a fire broke out on floors 27–32 of one of the unfinished towers. 130 firefighters participated in the operation, nobody was injured. The following inspection found no damage to the structure of the building.