Best way to light a large hangar?

[Tea + Crumpets = | Pangamini]

Hey, so ive been building a hangar for my friends and I to store our ships in, and im having trouble finding a good way of lighting it thats not a full glass roof, it 10 blocks tall, 25 blocks long and about 30 blocks wide.

[tweeve]

have you tried using the normal internal lights and then turing them up all the way.
You can also use spot lights but those cast shadows so it can slow things down.