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.
This bridge is a part of one of the oldest railroads in Brazil. It´s in the beginning of the Curitiba-Paranaguá railroad. Currently it´s out of service, being used strictly on christmas time, when an old locomotive stays over it, covered by christmas lights.
Latitude: 25° 26' 12.02" S
Longitude: 49° 15' 49.69" W Elevation: 898m
Precision is: High. Pinpoints the exact spot.