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    Member Since September 2019

    Changfeng Liu Pro-red@3x

    Sunnyvale, California 

    Favorite Activities

    Recent Activity

    Changfeng Liu reviewed Sequoia Trail

    about 1 month ago

    Although the air in Sept is dry, overall it's not bad.

    Changfeng Liu completed Sequoia Trail

    about 1 month ago

    Changfeng Liu added Sequoia Trail

    about 1 month ago

    Changfeng Liu saved Shadowbrook Trail

    about 1 month ago

    Changfeng Liu saved Redwood Trail

    about 1 month ago

    Changfeng Liu saved Sempervirens Falls Trail

    about 1 month ago

    Changfeng Liu saved Sequoia Trail

    about 1 month ago