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#102
Takbir and tasbih while travelling
Jabir رضي الله عنه said: "When we climbed up, we would say 'Allahu akbar,' and when we came down, we would say 'Subhanallah.'"
"When ascending say "Allahu akbar"; when descending say "Subhanallah.""
[al-Bukhari 2993]