Drawing on rock is distributed mainly over the mountain rock of dry-grassland and desert-grassland area in north-China.

我国岩画主要分布在北方干旱荒漠草原区。

youdao

Drawing on rock is distributed mainly over the mountain rock of dry-grassland and desert-grassland area in north-China.

我国岩画主要分布在北方干旱荒漠草原区。

youdao