Herein. the spatial evolution characteristics of high-level Grade A tourist attractions in the Yangtze River Delta (YRD) urban agglomeration. from 2001 to 2021. are studied by comprehensively applying the nearest neighbor index. https://www.bekindtopets.com/super-value-Crushed-Turquoise-iPhone-14-Pro-Max-MagSafe-Case-p82210-mega-value/