Construction of 17 Olympic projects is already underway, another 100 projects are in the engineering phase, and around 60 more Olympics-related projects are applying for expert evaluation.

This info is from RIA Novosti. They also have some recent photos from constructions sites. Here a few of ’em:

Quick fact: The population of Sochi is around 400,000 people. The surrounding, Krasnodar region (aka Krasnodar Krai), is home to 5.1 million people, and is the third largest Russian region.