Olivier published a paper about visual stress in Seoul buildings

Cleo Valentine, Heather Mitcheltree, Ian Hosking, Uemee Jung, Kyujin Choi, Daniel Lee, Kyungho Oh, Seoyoung Kim, Arnold Wilkins, Olivier Penacchio, Leonard Schrage
“Measuring visual stress patterns in architectural façades in Seoul across different historic time periods”
Discover Cities, 3(1), 14 (2026)
https://doi.org/10.1007/s44327-025-00167-y