concept   airspace
culture   Asian countries
statement   In Asian countries, airspace may be restricted for military or security reasons and taking off shoes before boarding is a common cultural practice.
2 similar statements
# Concept Culture Statement Freq.
1 airspace Asian countries Historically, the concept of sovereign airspace is not as strictly defined, and access to certain airspace may be regulated for military or security reasons. 1
2 fly in airplane Asian countries Taking off shoes before boarding is a common practice 1