What Dhaka, Istanbul, Delhi, Bangkok, Yogyakarta, Berlin and Alexandria reveal about the way cities make travellers feel

Rezaul Karim Arif, a Bangladeshi network engineer based in Melbourne, has built PixelFlow, an AI-powered web application that recently won the AI Showdown Hackathon, a global competition hosted by AI coding platform Lovable with support from Google, Anthropic, and OpenAI.