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--- a/topics/04_mechanical/index.md
+++ b/topics/04_mechanical/index.md
@@ -109,7 +109,7 @@ The technical complexities behind this feat are documented thoroughly in Dennis
 The precursor to MIT's Stata Center, Gehry's 2000 Museum of Pop Culture in Seattle was the first to test translating this digitization workflow into full scale construction:
 
 <img src="images/mopop_steel_ribs.jpg" alt="Hoffman Construction">
-<img src="images/gehry_museum_of_pop_culture_2009_seattle.jpg" alt="Gehry Museum of Pop Culture">
+<img src="images/gehry_museum_of_pop_culture_2000_seattle.jpg" alt="Gehry Museum of Pop Culture">
 
 
 ### Digital Templating
@@ -126,8 +126,8 @@ A survey prism is a glass reflector that is used in surveying and engineering to
 
 Site conditions usually vary so greatly that the global coordinate system is not relevant, rather the local coordinate system between particular elements.
 
-
 [SumPoint](https://www.sumpoint.io/#services)
 
+<img src="images/robot_surveying.jpg" alt="Maria Yablonina and James Coleman">
 
-[Small Robots and Big Projects](https://papers.cumincad.org/data/works/att/acadia21_462.pdf), Maria Yablonina & James Coleman, ACADIA 2021
+[Small Robots and Big Projects](https://papers.cumincad.org/data/works/att/acadia21_462.pdf), Maria Yablonina and James Coleman, ACADIA 2021