Olympic rings unveiled

They weigh more than two tonnes, and were built by a team of 25 people in Hitchin in Hertfordshire.

1. 1. Olympic Rings at St Pancras International 8

   The new Olympic rings on display at St Pancras International train station

2. 2. Olympic Rings at St Pancras International 7

   The new Olympic rings on display at St Pancras International train station

3. 3. Olympic Rings at St Pancras International 6

   The new Olympic rings on display at St Pancras International train station

4. 4. Olympic Rings at St Pancras International 5

   The new Olympic rings on display at St Pancras International train station

5. 5. Olympic Rings at St Pancras International 4

   The new Olympic rings on display at St Pancras International train station

7. 6. Olympic Rings at St Pancras International 3

   The new Olympic rings on display at St Pancras International train station

8. 7. Olympic Rings at St Pancras International 2

   The new Olympic rings on display at St Pancras International train station

9. 8. Olympic Rings at St Pancras International 1

   The new Olympic rings on display at St Pancras International train station