Spirituality and Religiosity are 2 different aspects. As humans we are evolved to believe and have faith but religion is only a product of it. We always have 'symbols' and we will always have something, even when religion as an institution is gone. I wrote 2 stories on it:

https://medium.com/the-human-phenomenon/roots-of-religious-instincts-in-humans-part-1-087452f3b9b0

https://medium.com/illumination/roots-of-religious-instincts-in-humans-part-2-81e576c0e83d

Thanks