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- Asia
- achieve
- achievement
- adult
- ancient
- awake
- bamboo
- birth
- condition
- deep
- desert
- excitement
- force
- government
- huge
- illness
- include
- keeper
- meter
- nature
- ocean
- oil
- population
- protect
- protection
- remaining
- research
- square
- succeed
- the Pacific Ocean
- thick
- tour
- tourist
- wall
- weigh
- wide
- wild
- Chengdu Research Base
- Edmund Hillary
- Junko Tabei
- Qomolangma
- Tenzing Norgay
- amazing
- artwork
- as far as I know
- at birth
- challenge
- cm
- endangered
- even though
- fall over
- feel free
- freezing
- in the face of
- or so
- southwestern
- take in
- the Amazon River
- the Caspian Sea
- the Himalayas
- the Ming Dynasty
- the Ming Great Wall
- the Nile
- the Sahara
- the Yangtze River
- the Yellow River
- up to
- walk into
- whale