    Sentence 1: Upriver, east of Blois, ino |  hage densely wooded park sarroanded  by 3f km (20 miles) of “high. walls, the  brilliant . white Cetean -de Cham? ?bord  is-thé most extravagant of all the royal  residences in the Loire Valley.    Sentence 2:.Ceteaa de Chambord is  focated’in a wooded. park.