Comprehension
1. The road winding among the mountains, sweat is dry and feet are in the sand, fishing with the arid plain behind me;
falling towers, Jerusalem Athens Alexandria Vienna London Unreal;
over the tumbled graves about the chapel there is the empty chapel, only the wind's home.
2. Rock, sand, no water, mountains, bats.

Interpretation
1. I think thunder's advice focuses its attention on human's life and its sense. Human ask themselves the meaning of life and they think life has to be unique: the sense of life could be understand only when someone take part to a incredible or proud action. But life takes shapes from our actions, our behaviour. If we live following good ethic principales, life will appreciate us.
2. I think fragments are what human learn from their life and believes.
3. The journey concludes when human aquire the lesson of the Thunder. Last words have been written in Sanskrit to emphatize the concept.
4. Death: dead mountain mouth of carious, bats, blood, falling towers.
Rebirth, fertility and hope: water, fragments, gardens, calm sea.
Sterility: rock, dryness.
Despair: rain, the fall, silence.
5. Eliot's poetry is quite difficult to understand and I need much notes in order to understand the meaing of the poem.