A historic house supposedly used as a ninja base hundreds of years ago in northeastern Japan faces risk of demolition as its owners are seeking to sell the property due to high maintenance costs, leaving its fate up to the possible buyer.The new owner of the one-story house, which sits in a narrow alley near the Hirosaki city hall in Aomori Prefecture, will not be obligated to preserve the property.The house was built in the late Edo Era (1603-1868) and served as a station for the "Hayamichi-no-mono" ninja troop in the Hirosaki Domain, according to Shigeto Kiyokawa, a professor at Aomori Un…READ FULL ARTICLE