The Hindu Kush Himalaya mountain belt is home to 250m people and a further 1.65bn rely on its rivers

China

Afghanistan

Nepal

Bhutan

Pakistan

India

Hindu Kush

Himalaya

mountain belt

1,000 km

1,000 miles

Hindu Kush Himalaya

mountain belt

Kabul

China

Afghanistan

Islamabad

Nepal

Bhutan

New Delhi

Pakistan

India

Kathmandu

Dhaka

Myanmar

Naypyidaw

India

Bangladesh

500 km

500 miles