Oh you don't walk barefoot, but have you tried it before? it's cool and you will love it, I assure you but don't try walking under the sun. A world without shoes would be like the days of our fathers. We would have survived but just like what you said, we would have developed rocky feet, I love my feet soft and tender.
Good luck with your entry...!
I have walked barefoot but only inside the house when they have just finished cleaning the floor, it feels very fresh and pleasant, but not elsewhere, I don't like feeling dirty feet.
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Thank you so much Sir