ocean roof

This is an upside down view of the world's biggest self-supporting wooden roof built in occasion of the world expo 2000. It's made out of 70 white firs of an average age of 200 years. Each of those firs measured about 50 m (164 ft) length and 1.20 to 1.50 m (4-5 ft) diameter. Their weight ranged from 9 to 14 tons.

Location: [link]

..does it belong to digital darkroom, because I added an analog feeling?