How to fix shadows?

The shadows of my map looks like really really dark, and i have zero experience with lights. So, how i can fix this?

Captura de pantalla (64).jpg

Captura de pantalla (65).png

Add a skylight, that should fix it.

Shadows look good. Indirect lighting is just missing.

So, adding a skylight will fixed, i will test this right now

Thanks guys! that help