Why won't christians present the evidence the claim proves their god is real?i [Spirituality & Religion]

All they ever offer is propaganda. Some say the evidence is all around us. Where? I can't see it. I've just been blocked by another christian just because I asked him to produce the evidence he claimed to have. What are they scared of?

Some even claim Atheists can't refute the evidence but they offer no evidence for Atheists to refute.