Huong Thao/ VOV Online -  
(VOV) - Hanoi is adorned with a carpet of Ban (Bauhinia) flowers in blue purple colour spreading around Hoan Kiem Lake and along Thanh Nien and Bac Son Roads.
![Hanoi turns blue purple - ảnh 1](https://photo-cms-vovworld.zadn.vn/w730/uploaded/vovworld/pwvopivp/2012_04_04/b1.jpg) |
A corner of Hoan Kiem lake |
![Hanoi turns blue purple - ảnh 2](https://photo-cms-vovworld.zadn.vn/w730/uploaded/vovworld/pwvopivp/2012_04_04/b2.jpg) |
On Bac Son road |
![Hanoi turns blue purple - ảnh 9](https://photo-cms-vovworld.zadn.vn/w730/uploaded/vovworld/pwvopivp/2012_04_04/b9.jpg) |
A romantic wedding photo |
Huong Thao/ VOV Online