yes if you think laterally......
the lorry is outside the building so he couldn't have stood on that.
there is no way up to where he was.
the building is in a desert. why?
don't lorries have refrigeration mostly....
ok this one is much harder.......
there is a telephone box by the side of a river. Inside the telephone box is a man slumped dead.There is blood and glass everywhere.The phone is still off the hook.How did he die?