DES-RIVES 

Moscou-Irkutz Type of space studied: Railway 3rd class

One of the 990 stations of Transsiberian train

CROSSING OF LIMITS The limit tends to be impassable, it is place and place of passage between limited spaces. No territorial limit escapes the question of crossing; no territory can be closed entirely without reserving a place for its crossing. Doors, thresholds, customs come to organize the controlled and selective crossing of the limit. These elements reinforce the value of stopping and manifest this value. (Levy-Segaud)