well, not really. it's just that the setting sun's golden glow was reflected on half of the building across from ours and half of it was bathed in shadows, which made it ideal for a half and half shot. the occupants are rather sedate and well-behaved. unlike my immediate neighbours here in my building - oh, the things i hear in the night.
Amazing that the line of demarcation is so perfect! Like the others said it looks like two separate shots that you have put together. That’s what I call serendipitous