014 S of Citadel Plaza: Search the ground near a dead tree for a Survival Cache. It’s near the ice wall on the western side of the city.
015 S of Citadel Plaza: Search the base of the stairs leading to the base camp for a Document by a large statue.
016
017 SE of Citadel Plaza: At the base of the bell tower you should burn through a barricade to get a Relic, then climb the bell tower to get a Document, partially underneath a corpse.
018 SE of Citadel Plaza: A Coin Cache is buried to the SW of the entrance to the bell tower, underneath a hanging box.
019 SE of Citadel Plaza: Go back into the city and search the stables (Lara will make a comment to that fact) for a Relic next to the pile of hay.
020 S of Citadel Plaza: From the campfire, head south to the gate the main city. Just past the gate, use the rope post to create a zipline to the nearest building to the south. On the upper floor, you find a Relic.
021 N of Citadel Plaza: Cross the plaza to find a Mural on the northern wall near the stairs.
022 West of Citadel Plaza: the lower plaza is blocked off, so use the upper floor to get in. Jump to the southern side of that floor and search at the end of the hallway for a Relic.
023 Above Citadel Gate: As you’re climbing above this Base Camp with your climbing arrows, stop on the first platform and take a Relic.