Thingshavechangedalotthisyear.
Oldhousesdisappeard,newbuildingsarebeingbuildquicklybytheworkers.
Lookattheriver,lastyear,itwasseriouslypolluted,butnow,it'sclearandblueagain,wecanseefishesswimminghappily.
Peoplearebusyplantingmoretreestomaketheairfresh.
Ourlifebecomebetterandbetter.
刚写的,写身边变化要有对比手法