Indus River, Ganges River, Himalayas, Deccan Plateau, Bay of Bengal, Arabian Sea

1
India, Pakistan, Bangladesh, Nepal, Bhutan, Sri
Lanka
Indus River, Ganges River, Himalayas, Deccan
Plateau, Bay of Bengal, Arabian Sea
2
Gobi Desert, Himalayas, South China Sea, Sea of
Japan, East China Sea, Korean Peninsula, Yellow
River, Yangtze River, Tsushima Straits.
Japan, China, Mongolia, North Korea, South Korea,
Taiwan
3
South China Sea, Gulf of Thailand, Malay
Peninsula, Straits of Malacca, Mekong River
Indonesia, Burma (Myanmar), Laos, Vietnam,
Thailand, Cambodia, Singapore, Philippines,
Malaysia
4
Volga River, Bering Strait, Caspian Sea, Lake
Baikal
Russia