Thought to have been constructed since the 1930s, Perth Blue Boat House has been rebuilt and repaired on a number of occasions and has had lots of uses. For decades, locals drove past this bright blue wooden house several times a day without noticing. But recently, ＿＿（46）＿＿ its popularity on Instagram, the boathouse has become a well-known tourist attraction. There has been a(n) ＿＿（47）＿＿ of visitors to this area, with tour buses and self-driven visitors stopping here for pictures. Popularity, ＿＿（48）＿＿, can come with problems. The closest public toilet is 1.5 miles away. Tourists go to a nearby restaurant to use the toilets. The owner ＿＿（49）＿＿ that some had been rude, disruptive and even verbally abusive. ＿＿（50）＿＿ this problem, Perth’s city council has decided to build its first solar-powered toilet. It will reportedly cost US\$278,000 to install and an additional \$14,000 per year for maintenance.