Central hokkaido is filled with a wide variety of attractions , such as sapporo , a beautiful city with remains from the early hokkaido development days ; the canal city otaru , which once thrived as a city of finance ; shakotan with its beautiful shorelines ; hot spring resorts in toya and noboribetsu ; niseko and iwanai , popular as resort areas available throughout the year ; and hidaka , where thoroughbred horses merrily gallop about 北金融都市?运河街小樽、海岸美积丹。洞爷登别温泉地、通年人?高岩内、游日高、道央多彩魅力? 。