3/4. Amid the towering peaks of Peru, lain Stewart reveals how the Incas built their huge empire.
9.00 4/4. New. Hostile mountain peaks force Japan's population onto over-crowded strips of coastal plain.
What are the consequences?
Discover 11,128,835 listings and 277,382 playable programmes from the BBC
3/4. Amid the towering peaks of Peru, lain Stewart reveals how the Incas built their huge empire.
9.00 4/4. New. Hostile mountain peaks force Japan's population onto over-crowded strips of coastal plain.
What are the consequences?
BBC Four reflects arts, music and culture with an ambitious range of intellectually and culturally enriching programmes, taking an expert and in-depth approach to its subjects.
