most (not all, some contributions are QTVR-only due to historical reasons)
many, but depends on photographer's choice of file upload (newer event = more likely to work) and your device's capabilities. You may experience slow playback, distorted images or unexpected browser quitting if there is only limited memory/GPU power available.
A library opens the doors to children, especially those in high poverty areas. The opportunity to read about other places, delight in stories, and drift away in a dynamic plot is one that ALL children should be able to experience. Yet, in America, we continuously underfund the school system and libraries. Support funding your local library, no matter where in the world you are located!
Latitude: 44° 2' 52.55" N
Longitude: 122° 56' 33.4" W
Precision is: Low. Intentionally hazy, due to privacy concerns.