CTA North Phase 2: MST Foundations and Infrastructure, Technical Building #CTALaPalma2017 @IAC_Astrofisica https://t.co/n0JqTNqKg4

CTA North Phase 2: MST Foundations and Infrastructure, Technical Building #CTALaPalma2017 @IAC_Astrofisica https://t.co/n0JqTNqKg4