Live Quiz @ ITB 2025

Win a free first-year license of Guided Cloudgazing - Value $600!

How much has light pollution increased from 2011 until 2022?

2% per year

5% per year

10% per year

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Are you interested in learning more about Guided Skywatching?

Yes, please send me a brochure

Note: this quiz is only valid for the date 5.3.25 and time 3:20 pm to 3:50pm at ITB 2025. The license can only be won by hospitality businesses with less than 100 beds. Legal recourse is excluded.

Live Quiz @ ITB 2025

Danke!