幸运飞行艇官方开奖记录查询 168飞艇 官网结果记录直播 全国统一开奖数据 Let us take your Google Street View Tour to the next level with a custom overlay system. A custom overlay allows the standard Google virtual tour to be customized with additional features. Large venus benefit from navigation menus integrated into the 360° virtual tour by allowing users to easily jump from one area to another. Pop up text boxes, still photography and even video can all be integrated into a Street View tour with an overlay system.