1.Elevation of main tourist attractions in Qinghai Province (2002-2019)

       TPDC

    2.Tourism development in Qinghai Province (1999-2018)

       TPDC

    3.The number of overnight guests and foreign exchange income from tourism in foreign hotels (hotels) of Qinghai Province (1981-1999)

       TPDC

    4.Ranking of major tourist sources of tourists entering Qinghai (2012-2018)

       TPDC

    5.Number of self driving vehicles entering Qinghai Province (2008-2018)

       TPDC

    6.Number of foreign tourists in Qinghai Province (by country) (2000-2017)

       TPDC

    7.Number of overnight foreign tourists in urban tourism accommodation facilities of Qinghai Province by country (region) (1999-2000)

       TPDC

    8.The number of overnight visitors and Tourism Foreign Exchange Income in urban tourism accommodation facilities of Qinghai Province (1990-2000)

       TPDC

    9.List of class a scenic spots in Qinghai Province (2008-2019)

       TPDC

    10.Foreign investment and tourism in different regions of China (2001-2004)

       TPDC

    11.Tourism situation and ranking of different regions in China (2006-2010)

       TPDC

    12.Tourism development in different regions of Qinghai Province (2010-2018)

       TPDC

    13.Opening up of Qinghai Province (2002-2019)

       TPDC

    14.Archaeological site investigation and plant and animal resource utilization in the Northeast Tibet Plateau (Neolithic and Bronze Age)

       TPDC

    15.Archaeological site investigation and plant and animal resource utilization in the Northeast Tibet Plateau (Neolithic and Bronze Age)

       TPDC

    16.Archaeological site investigation and plant and animal resource utilization in the Northeast Tibet Plateau (Neolithic and Bronze Age)

       TPDC

    17.Archaeological site investigation and plant and animal resource utilization in the Tibet Plateau ( Paleolithic-Epipaleolithic Age)

       TPDC

    18.Archaeological site investigation and plant and animal resource utilization in the Tibet Plateau during the Paleolithic

       TPDC

    19.Intensity data of human activities on the plateau in 2012-2017

       TPDC

    20.Data of land use types in Zhangye National Wetland Park (2012)

       POLES TPDC HEIHE