Key Words:
Olympic Games. Summer [Czech] 2004; Paralympic Games. Summer [Czech]: 2004; Writers: Petrarch, Francesco. 1304-1374; Conservation [Czech]: 2004. Famous Trees; Trees: Famous Trees Issue; Famous Trees Issue; Singing Lime Tree; Žižka's Oak Tree; Telecí u Policky: Singing Lime Tree; Singing Lime Tree; Parrots; Animals: Breeding: Parrots