![Observatorio del Teide, Teide astronomical observatory, Tenerife island, Canary islands, Spain Stock Photo - Alamy Observatorio del Teide, Teide astronomical observatory, Tenerife island, Canary islands, Spain Stock Photo - Alamy](https://c8.alamy.com/zooms/6/5e7182c34a7148a2b6ee0b6555a12d41/m6wp66.jpg)
Observatorio del Teide, Teide astronomical observatory, Tenerife island, Canary islands, Spain Stock Photo - Alamy
![20th and 21st June, Open Days at the Teide Observatory, organized by the Instituto de Astrofísica de Canarias | Instituto de Astrofísica de Canarias • IAC 20th and 21st June, Open Days at the Teide Observatory, organized by the Instituto de Astrofísica de Canarias | Instituto de Astrofísica de Canarias • IAC](https://www.iac.es/sites/default/files/styles/color/public/images/news/prensa854_1142.jpg?itok=tS6xKTfJ)
20th and 21st June, Open Days at the Teide Observatory, organized by the Instituto de Astrofísica de Canarias | Instituto de Astrofísica de Canarias • IAC
![Observatorio del Teide, Teide astronomical observatory, behind the Pico del Teide, Tenerife island, Canary islands, Spain Stock Photo - Alamy Observatorio del Teide, Teide astronomical observatory, behind the Pico del Teide, Tenerife island, Canary islands, Spain Stock Photo - Alamy](https://c8.alamy.com/comp/KJA6CX/observatorio-del-teide-teide-astronomical-observatory-behind-the-pico-KJA6CX.jpg)