Is it safe for three 2-year-old girls to travel to Shandong by themselves now?

not safe. Girls' ability to resist external dangers is weak, and they are traveling to Shandong. In the case of being unfamiliar, they are vulnerable to abduction and helpless, which is very dangerous. And it's summer, with more rain and frequent natural disasters, so it's not safe for three 2-year-old girls to travel to Shandong by themselves.