Related Clues:

• Marco Polo crossed it
• Pacific Rim locale
• One of seven
• See 19-Across
• Where Brunei is
• Where the Gobi is
• Home of 3.5 billion
• Atlas section
• Dot on a map
• The Kara Sea is on its north
• Area east of the Bosporus
• Source of much West Coast trade
• See 16-Across
• Three oceans touch it
• See 6-Down