tort is in the left far side of the corner up top by the red light. He looks like a young adult possible.How old is your tort?
Get rid of the red light it can make them eat things they shouldn't.
Russians can have night temps as low as 60. Most homes are not cold enough to need to heat the enclosure at night.
Use a ceramic heat emitter in place of the red light if added heat is needed.
To keep temps and humidity correct the entire enclosure needs to be enclosed. However if your tort is an adult, 30-50% humidity is all that's needed.
Checkout the caresheet in the Russian section.
Where did you get your black screening at?