It has become Isabela 's showcase of its rich cultural heritage and pristine natural beauty .
Annually , the event can drew at least 250,000 crowds all over the Cagayan Valley region , the biggest in the history of annual festivities in the region .
Cagayan Valley has become Isabela 's showcase of its rich cultural heritage and pristine natural beauty .
Annually , the event can drew at least 250,000 crowds all over the Cagayan Valley region , the biggest in the history of annual festivities in the region .