Two pairs of skylights.
Cathedral ceiling:
![skylight shaft ridgelight 12292-132801](https://skyspec.com/wp-content/uploads/2018/01/skylight-shaft-ridgelight-12292-132801-1024x576.jpg)
![skylight shaft ridgelight 12292-133845](https://skyspec.com/wp-content/uploads/2018/01/skylight-shaft-ridgelight-12292-133845-1024x576.jpg)
![skylight shaft ridgelight 12292-133842](https://skyspec.com/wp-content/uploads/2018/01/skylight-shaft-ridgelight-12292-133842-1024x576.jpg)
Two pairs of skylights in a cathedral/vaulted ceiling on either side of the ridge, creates a ridgelight. Besides a beautiful sky view, a ridgelight, with light coming from two directions, creates an excellent daylighting situation in the space below.