What are examples of pleasant and unpleasant smells?

Pleasant smells are those which are realy likely to be smelled again n again.. if we are our way to somewhere, smelling a good odour automatically takes us to tat place... examples of it are sweet smelling odours like flower blossoms, delicious smells which creates hunger obviously wen we smell it.. perfume odour,sandal wood etc.....

depending on our tastes we cud also say tat the odours near infants, the smell of earth which gets wet due to rain drops etc..

Unplesant smells are those which create a sick atmosphere to us.. i.e by smelling those we may get vomiting sensation, headache etc.. examples of it are rotten egg smells, dirty odours near dumped dust bins etc...