When there is no weight and no machines around, you have to be creative with what you do to help build muscle and get a nice physique. It's pretty tough to get a good physique and build mass without weights, but you can use resistance. A lot of various exercises with body weight can be enough or you could get someone to apply pressure and resistance to help increase better stimulation of the muscles.
Here I will present to you TOP 10 Calisthenics Beasts
1-LAD’A PRIDAL:

2-Eleggs:
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3-DENIS MININ:

4-ISLAM BADURGOV:
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5-FRANK MEDRANO:
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6-BRENDAN MEYERS:
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7-LAZAR NOVOVIC:
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8-Adam Raw:

9-HIT RICHARDS:
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10- HANNIBAL FOR KING:

If you can dream it , Then you can do it