011525, 031519, 031525, 130102, 200505, 240102, 240103, 280105 - Other natural phenomena and observable events. Birds or bats in flight or with outspread wings. Other birds. Torches, including the Olympic Torch, blowtorches and welding torches. Open books. Shields or crests with figurative elements contained therein or superimposed thereon. Shields or crests with letters, punctuation or inscriptions contained therein or superimposed thereon. Inscriptions in Greek characters, including the following: Α α Β β Γ γ Δ δ Ε ε Ζ ζ Η η Θ θ Ι ι Κ κ Λ λ Μ μ Ν ν Ξ ξ Ο ο Π π Ρ ρ ς Σ σ Τ τ Υ υ Φ φ Χ χ Ψ ψ Ω ω.