what time should i leave to arrive at the museum of natural history by 4 pm for free admissions
O O O O O O O O B-SL_DESTINATION_IN_GET_LOCATION_SL_POINT_ON_MAP I-SL_DESTINATION_IN_GET_LOCATION_SL_POINT_ON_MAP I-SL_DESTINATION_IN_GET_LOCATION_SL_POINT_ON_MAP I-SL_DESTINATION_IN_GET_LOCATION_SL_POINT_ON_MAP I-SL_DESTINATION_IN_GET_LOCATION_SL_POINT_ON_MAP B-SL_DATE_TIME_ARRIVAL I-SL_DATE_TIME_ARRIVAL I-SL_DATE_TIME_ARRIVAL O O O