The Netherlands' fourth city, Utrecht, has emerged as a must-visit destination and an ideal spot for a night out. In recent years, Amsterdam has started to say 'no thank you' to British holidaymakers , along with tourists from other countries. Fed up with its labyrinthine streets being congested by non-clog-wearing visitors, Amsterdam's authorities have begun cracking down on unruly tourists. Despite being home to only about 800,000 people, the Dutch capital attracts up to 20 million tourists a