¿Por qué se celebra el día mundial de los animales?

#iguru_soc_icon_wrap_67eddd784320c a{ background: transparent; }#iguru_soc_icon_wrap_67eddd784320c a:hover{ background: transparent; border-color: #2c8fa0; }#iguru_soc_icon_wrap_67eddd784320c a{ color: #2c8fa0; }#iguru_soc_icon_wrap_67eddd784320c a:hover{ color: #ffffff; }.iguru_module_social #soc_icon_67eddd78432681{ color: #ffffff; }.iguru_module_social #soc_icon_67eddd78432681:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_67eddd78432681{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_67eddd78432681:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_67eddd78432872{ color: #ffffff; }.iguru_module_social #soc_icon_67eddd78432872:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_67eddd78432872{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_67eddd78432872:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_67eddd78432993{ color: #ffffff; }.iguru_module_social #soc_icon_67eddd78432993:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_67eddd78432993{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_67eddd78432993:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_67eddd78432aa4{ color: #ffffff; }.iguru_module_social #soc_icon_67eddd78432aa4:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_67eddd78432aa4{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_67eddd78432aa4:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_67eddd78432b85{ color: #ffffff; }.iguru_module_social #soc_icon_67eddd78432b85:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_67eddd78432b85{ background: rgba(44,143,160,0.01); }.iguru_module_social #soc_icon_67eddd78432b85:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_67eddd78432c76{ color: #ffffff; }.iguru_module_social #soc_icon_67eddd78432c76:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_67eddd78432c76{ background: rgba(44,143,160,0.01); }.iguru_module_social #soc_icon_67eddd78432c76:hover{ background: rgba(255,255,255,0.01); }