Visitors in the GTC control room. Credit: ING [ JPEG ].

Left to right: Charmaine Arbouin (British Consul for the Canaries), Chris Benn (ING Head Of Astronomy) and HMA Simon Manley. Credit: ING [ JPEG ].

HMA Simon Manley and Chris Benn at the GTC. Credit: ING [ JPEG ].

Left to right: HMA Simon Manley, Charmaine Arbouin (British Consul for the Canaries), Helen Keating (British Vice Consul for the Canaries) and Chris Benn (ING Head of Astronomy), outside the GTC. Credit: ING [ JPEG ].

HMA Simon Manley and Chris Benn at the Roque de Los Muchachos. Credit: ING [ JPEG ].

Visitors meet Alan Chopping and Frank Gribbin (ING staff, and local volunteers with the British Consulate). Credit: ING [ JPEG ].

Visitors in the WHT control room. Credit: ING [ JPEG ].

'Visitors viewing the WHT from the Nasmyth-level walkway in the dome. Credit: ING [ JPEG ].

HMA Simon Manley taking a selfie in the WHT primary mirror. Credit: ING [ JPEG ].

Chris Benn explains the light path through the WHT. Credit: ING [ JPEG ].

Group reflected in WHT's secondary mirror, with the primary mirror in the background. Credit: ING [ JPEG ].

Alan Chopping explains how mirrors are re-aluminised in the WHT's vaccum tank. Credit: ING [ JPEG ].

HMA Simon Manley, with the new WEAVE top-end structure (black) and dummy WEAVE (grey) in the background. Credit: ING [ JPEG ].

HMA Simon Manley is presented with ING plaque by Chris Benn. Credit: ING [ JPEG ].

Farewell at sunset. The Liverpool and Mercator telescopes can be seen in the background. Credit: ING [ JPEG ].