1- You need Google Earth to participate.
2- The location must belong to your own past, work, vacation... absolutely no OBVIOUS personal details.
2a- Or as stated from May additional rules ; Where do you wish to go in the future, for vacations, Historical places, Museums, Wonders... for a quick visit. Anything for any reasons. Hints & Locations unlimited.
3- To earn the right of submitting the next clue for yourself, you MUST identify the buildings_city_address (etc) of the currently unknown place to the person who linked the image. Once confirmed, you win the right for #4 below.
4- You must provide "easy or not" hints for your own. I'd highly recommend Time Zones, minimum.
5- Altitude must not exceed 1km or below 250m. (Mine is at 303 meters)
6- Don't forget to hide the coordinates from us, bottom left!
Here's the first;
I worked on the 15th floor of that skyscraper as a financial advisor from May 75 to October 77. The red arrow points to my office window.
Where is it? Street & number.