Question: What are the details of the markets that can be accessed by walk or bus?
SQL: SELECT T1.Market_Details FROM Street_Markets AS T1 JOIN TOURIST_ATTRACTIONS AS T2 ON T1.Market_ID  =  T2.Tourist_Attraction_ID WHERE T2.How_to_Get_There  =  "walk" OR  T2.How_to_Get_There  =  "bus"