Can I take my own shadow when taking pictures?

Of course, what is a shadow? Is to block the sun and form shadows. Take photos and take shadows, just take photos where there is no direct sunlight. There are no other questions.

Just like taking pictures at night, but at night, because the sun goes down, there is no sunshine, so the whole is the shadow of the earth.

In fact, it is impossible to shoot a shadow during the day. The diffuse reflection of the surrounding environment will make other things in the shadow visible, such as the sand on the ground and the road surface. So taking shadows is actually taking pictures of roads or other environmental objects. It's just that your body blocks this part of the sun.