Para l:As we got closer to the lake,however,we saw something strikingly inharmonious to the beamtirul view.Empty bottles,ggarettles, even dead fish and birds were filled in the lake whose mixed smell made us hold our breath."How dare them!The tourists ruined my last heaven!"Bluto's tear welled up from his eyes.We comforted him thinking that it's time to bring the lake back to life I looked around,seeing the tourists taking pictures. An idea flashed into my mind.Pictures won't ruin the lake,butit could take warns to people to protect the lake Para2: Looking at my workmates, I put forward a plan, which met their immediate approval.Firstly we took pictures on the polluted lake.Then the nets came out from our bag.My workmates and I divded into groups to prck the rubbish up in every part of the lake's edge.With our joint effort,the lake became alive with a few hours later Then Buto took the picture of the lake again.After the pictures washedout,I put the two contradictory versionsof lake's pictures on the tree. By contrast,the two pictures would be a notceable sign for tour ists to not pollute the lake Relief as we were,I took pride that I made afew steps to tnake the environment more beaubiful.