There isn't a lot to see in Brightmarket, unfortunately, but there are a few small surprises here and there :)

Here's a link to the mod:
https://www.nexusmods.com/horizonforb...

Part 1 (The Spearshafts, The Estate, and other areas around the Spire)
   • Return to the Sundom (part 1...?) - L...  

Part 2 (Meridian Village, The Royal Maizelands, and Meridian itself)
   • Return to the Sundom (part 2...?) - M...  

Timestamps:
0:00 leaving Meridian
1:42 Brightmarket
9:00 flags!!!
11:30 entrance to Meridian Village/a hole
13:22 traversal
14:39 a surprising (partial) camp
21:03 climbing a small mesa
23:19 traversal
28:21 the Lake Shrine