Gambling in Macau has been legal since the 1850s when the Portuguese government legalised the activity in the autonomous colony. Since then, Macau has become known worldwide as the "Gambling capital of the world". It is the only place in China where casino gambling is legal.

Casino operators\n\n The largest casino complex in Macao is operated by Sands China, which belongs to Las Vegas Sands. Modeled on its sister casino The Venetian Las Vegas, the Venetian Macao has a total floor area of around 980,000 square meters with 640 gaming tables and 1,760 slot machines.

No, it is not possible to win big money in gambling without risk. Gambling inherently involves risk, as it is a game of chance where the outcome is determined by random events and cannot be predicted with certainty.