How to use Union Operator with Entity Framework

The sample snippet shows how to use the Union operator similiar to T-SQL

public void UnionExample()
        {
            var india = context.Orders.Where(o => o.ShipCountry == "India").Select(o => o);
            var china = context.Orders.Where(o => o.ShipCountry == "China").Select(o => o);
            var IndiaUnionChina = india.Union(china);


        }