You probably think of the touristy crowds along the San Antonio Riverwalk, and how that might look for a surprise proposal. Some might want the attention, it's a big moment, but most think of a more intimate setting. For Lukas he was opting for a low key spot that would capture the beauty of the surroundings. Even along the low traffic Riverwalk sections you're going to get noticed; a proposal is a magical event that attracts attention.