Grimshaw unveils design for HS2 ventilation shaft disguised as barn

A ventilation shaft for the UK's new HS2 high-speed railway has been designed by British architecture practice Grimshaw to resemble a barn clad in zinc and bronze.
The Chalfont St Peter Ventilation Shaft, or headhouse, will provide ventilation and emergency access to a 10-mile-long train tunnel through the Chilterns – a set of hills to the northwest of London.As the Chilterns are a designated Area of Outstanding Natural Beauty (AONB), Grimshaw has proposed a design that will disguise the p