The interior color scheme is cool, and the use of black metal frames for the bar chairs and coffee table help to create a light and airy room. Rugs are very useful in home decorating. Not only do they give interest and provide a soft surface to walk on, but they can also 'mark out' areas such as this one.
On a treadmill, you can accurately set your incline by 1%, 2%, etc. When walking outdoors, you need to use a tool such as MapMyWalk.com to map out your walks and see what the incline really is. I can tell you from experience, that a 5% incline is a real huffer-puffer. 1  for every 1% of grade, you increase your calories burned by about 12% or about 10 more calories per mile for a 150 pound person.  By the time you are at 10% grade, you are burning over twice as many calories per mile.
Popular Calories Burned Searches: 1  Calories Burned For Treadmill: 5% Incline, 4.6 km/h (13 minutes per km) 2  Calories Burned For Treadmill: 5% Incline, 4 km/h (15 minutes per km) 3  Calories Burned For Treadmill: 5% Incline, 3.15 km/h (19 minutes per km)  Calories Burned For Treadmill: 10% Incline, 20 km/h (3 minutes per km)