Don't try to build an equipotential line if we have too much energy.
Don't try to build an equipotential line if we have too much energy.

mockingbirdnest/Principia,mockingbirdnest/Principia,pleroy/Principia,mockingbirdnest/Principia,pleroy/Principia,mockingbirdnest/Principia,pleroy/Principia,pleroy/Principia