Why did Martin Luther begin to doubt the Church?

He began to read the Bible and found that some of the Catholic beliefs were not stated in the Bible.

the hyksos invasion. the hyksos were able to attack egypt successfully because of their skills in using bronze weapons, composite bows and the use of the horse and chariot during the invasion. although the egyptians depict a barbarian-type overthrow, the truth is the seizure was likely a relatively peaceful one.

there is no photo, therefore i can not answer your question.