| seen by | | location | date |
|---|
 | Derglarner |  | Saas im Praettigau | Jul 31, 2020 |
 | Andrea Frigerio | | Davos | Jul 8, 2017 |
 | Fabio Miotto | | Bever | Feb 19, 2017 |
 | Holger.LDE | | Bever | Oct 7, 2016 |
 | Tudosă Mihai | | Berguen | Sep 26, 2016 |
 | Mattia Domeneghini | | Landwasser Viaduct | Jul 15, 2015 |
 | chrisschumny | | Berguen | Jul 1, 2015 |
 | Christoph S. | | Berguen | Jul 9, 2012 |
| Massimo Zuccotti | | Samedan | Feb 18, 2012 |
 | Willem J. Steen | | Landwasser | Jun 19, 2011 |
 | Chris Walters | | Filisur Bahnhof | Dec 24, 2008 |
 | Effimera59 | | Albula | Oct 14, 2008 |
| Vincent Prins | | Landwasser Viaduct | Jun 24, 2004 |
