Thanks for coming! — ESA (@esa) October 8, 2017

Lab corridor, otherwise known as rainbow corridor, is centre for Earth Observation and materials testing #openESTEC pic.twitter.com/SZSl9CWMYQ — ESA Technology (@ESA_Tech) October 8, 2017

Visiting #openESTEC & like the mix of art & science? Don't miss The Art of Space stand with results from our #SciArt residency pic.twitter.com/mcNKcvvV0D — ESA Science (@esascience) October 8, […]

Head of @ESAcleanspace Luisa Innocenti talking about the active removal of space debris #openESTEC pic.twitter.com/RajUE9o7gb — ESA (@esa) October 8, 2017

Thanks for coming! — ESA (@esa) October 8, 2017

Next year? — ESA (@esa) October 8, 2017

Our #Mars Yard, used to test advanced rovers for alien planets #OpenESTEC pic.twitter.com/Oq5PoNEVTu — ESA (@esa) October 8, 2017

Bedankt voor jullie bezoek! — ESA (@esa) October 8, 2017

Our test centre here at @ESA_Tech is also open to visitors today #openESTEC pic.twitter.com/uwuemW6AQb — ESA (@esa) October 8, 2017

Walking ESTEC’s 200m-long main corridor during peak #OpenESTEC pic.twitter.com/O42gTfNaoa — ESA Technology (@ESA_Tech) October 8, 2017